257497968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:551

約数の個数: 160

約数和(自身を含む): 825947136

約数和(自身を除く): 568449168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 167, 168, 182, 208, 273, 312, 334, 336, 353, 364, 501, 546, 624, 668, 706, 728, 1002, 1059, 1092, 1169, 1336, 1412, 1456, 2004, 2118, 2171, 2184, 2338, 2471, 2672, 2824, 3507, 4008, 4236, 4342, 4368, 4589, 4676, 4942, 5648, 6513, 7014, 7413, 8016, 8472, 8684, 9178, 9352, 9884, 13026, 13767, 14028, 14826, 15197, 16944, 17368, 18356, 18704, 19768, 26052, 27534, 28056, 29652, 30394, 32123, 34736, 36712, 39536, 45591, 52104, 55068, 56112, 58951, 59304, 60788, 64246, 73424, 91182, 96369, 104208, 110136, 117902, 118608, 121576, 128492, 176853, 182364, 192738, 220272, 235804, 243152, 256984, 353706, 364728, 385476, 412657, 471608, 513968, 707412, 729456, 766363, 770952, 825314, 943216, 1237971, 1414824, 1532726, 1541904, 1650628, 2299089, 2475942, 2829648, 3065452, 3301256, 4598178, 4951884, 5364541, 6130904, 6602512, 9196356, 9903768, 10729082, 12261808, 16093623, 18392712, 19807536, 21458164, 32187246, 36785424, 42916328, 64374492, 85832656, 128748984, 257497968]

約数ペア:

[(1, 257497968), (2, 128748984), (3, 85832656), (4, 64374492), (6, 42916328), (7, 36785424), (8, 32187246), (12, 21458164), (13, 19807536), (14, 18392712), (16, 16093623), (21, 12261808), (24, 10729082), (26, 9903768), (28, 9196356), (39, 6602512), (42, 6130904), (48, 5364541), (52, 4951884), (56, 4598178), (78, 3301256), (84, 3065452), (91, 2829648), (104, 2475942), (112, 2299089), (156, 1650628), (167, 1541904), (168, 1532726), (182, 1414824), (208, 1237971), (273, 943216), (312, 825314), (334, 770952), (336, 766363), (353, 729456), (364, 707412), (501, 513968), (546, 471608), (624, 412657), (668, 385476), (706, 364728), (728, 353706), (1002, 256984), (1059, 243152), (1092, 235804), (1169, 220272), (1336, 192738), (1412, 182364), (1456, 176853), (2004, 128492), (2118, 121576), (2171, 118608), (2184, 117902), (2338, 110136), (2471, 104208), (2672, 96369), (2824, 91182), (3507, 73424), (4008, 64246), (4236, 60788), (4342, 59304), (4368, 58951), (4589, 56112), (4676, 55068), (4942, 52104), (5648, 45591), (6513, 39536), (7014, 36712), (7413, 34736), (8016, 32123), (8472, 30394), (8684, 29652), (9178, 28056), (9352, 27534), (9884, 26052), (13026, 19768), (13767, 18704), (14028, 18356), (14826, 17368), (15197, 16944)]