221142672

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:781

約数の個数: 120

約数和(自身を含む): 657502560

約数和(自身を除く): 436359888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 131, 144, 152, 171, 228, 262, 304, 342, 393, 456, 524, 617, 684, 786, 912, 1048, 1179, 1234, 1368, 1572, 1851, 2096, 2358, 2468, 2489, 2736, 3144, 3702, 4716, 4936, 4978, 5553, 6288, 7404, 7467, 9432, 9872, 9956, 11106, 11723, 14808, 14934, 18864, 19912, 22212, 22401, 23446, 29616, 29868, 35169, 39824, 44424, 44802, 46892, 59736, 70338, 80827, 88848, 89604, 93784, 105507, 119472, 140676, 161654, 179208, 187568, 211014, 242481, 281352, 323308, 358416, 422028, 484962, 562704, 646616, 727443, 844056, 969924, 1293232, 1454886, 1535713, 1688112, 1939848, 2909772, 3071426, 3879696, 4607139, 5819544, 6142852, 9214278, 11639088, 12285704, 13821417, 18428556, 24571408, 27642834, 36857112, 55285668, 73714224, 110571336, 221142672]

約数ペア:

[(1, 221142672), (2, 110571336), (3, 73714224), (4, 55285668), (6, 36857112), (8, 27642834), (9, 24571408), (12, 18428556), (16, 13821417), (18, 12285704), (19, 11639088), (24, 9214278), (36, 6142852), (38, 5819544), (48, 4607139), (57, 3879696), (72, 3071426), (76, 2909772), (114, 1939848), (131, 1688112), (144, 1535713), (152, 1454886), (171, 1293232), (228, 969924), (262, 844056), (304, 727443), (342, 646616), (393, 562704), (456, 484962), (524, 422028), (617, 358416), (684, 323308), (786, 281352), (912, 242481), (1048, 211014), (1179, 187568), (1234, 179208), (1368, 161654), (1572, 140676), (1851, 119472), (2096, 105507), (2358, 93784), (2468, 89604), (2489, 88848), (2736, 80827), (3144, 70338), (3702, 59736), (4716, 46892), (4936, 44802), (4978, 44424), (5553, 39824), (6288, 35169), (7404, 29868), (7467, 29616), (9432, 23446), (9872, 22401), (9956, 22212), (11106, 19912), (11723, 18864), (14808, 14934)]