25281256

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:96

約数の個数: 144

約数和(自身を含む): 66864420

約数和(自身を除く): 41583164

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 41, 44, 49, 52, 56, 77, 82, 88, 91, 98, 104, 121, 143, 154, 164, 182, 196, 242, 286, 287, 308, 328, 364, 392, 451, 484, 533, 539, 572, 574, 616, 637, 728, 847, 902, 968, 1001, 1066, 1078, 1144, 1148, 1274, 1573, 1694, 1804, 2002, 2009, 2132, 2156, 2296, 2548, 3146, 3157, 3388, 3608, 3731, 4004, 4018, 4264, 4312, 4961, 5096, 5863, 5929, 6292, 6314, 6776, 7007, 7462, 8008, 8036, 9922, 11011, 11726, 11858, 12584, 12628, 14014, 14924, 16072, 19844, 22022, 22099, 23452, 23716, 25256, 26117, 28028, 29848, 34727, 39688, 41041, 44044, 44198, 46904, 47432, 52234, 56056, 64493, 69454, 77077, 82082, 88088, 88396, 104468, 128986, 138908, 154154, 164164, 176792, 208936, 243089, 257972, 277816, 287287, 308308, 328328, 451451, 486178, 515944, 574574, 616616, 902902, 972356, 1149148, 1805804, 1944712, 2298296, 3160157, 3611608, 6320314, 12640628, 25281256]

約数ペア:

[(1, 25281256), (2, 12640628), (4, 6320314), (7, 3611608), (8, 3160157), (11, 2298296), (13, 1944712), (14, 1805804), (22, 1149148), (26, 972356), (28, 902902), (41, 616616), (44, 574574), (49, 515944), (52, 486178), (56, 451451), (77, 328328), (82, 308308), (88, 287287), (91, 277816), (98, 257972), (104, 243089), (121, 208936), (143, 176792), (154, 164164), (164, 154154), (182, 138908), (196, 128986), (242, 104468), (286, 88396), (287, 88088), (308, 82082), (328, 77077), (364, 69454), (392, 64493), (451, 56056), (484, 52234), (533, 47432), (539, 46904), (572, 44198), (574, 44044), (616, 41041), (637, 39688), (728, 34727), (847, 29848), (902, 28028), (968, 26117), (1001, 25256), (1066, 23716), (1078, 23452), (1144, 22099), (1148, 22022), (1274, 19844), (1573, 16072), (1694, 14924), (1804, 14014), (2002, 12628), (2009, 12584), (2132, 11858), (2156, 11726), (2296, 11011), (2548, 9922), (3146, 8036), (3157, 8008), (3388, 7462), (3608, 7007), (3731, 6776), (4004, 6314), (4018, 6292), (4264, 5929), (4312, 5863), (4961, 5096)]