128751372

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{9907}}^1$

素因数の和:9955

約数の個数: 54

約数和(自身を含む): 343520268

約数和(自身を除く): 214768896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 2166, 3249, 4332, 6498, 9907, 12996, 19814, 29721, 39628, 59442, 89163, 118884, 178326, 188233, 356652, 376466, 564699, 752932, 1129398, 1694097, 2258796, 3388194, 3576427, 6776388, 7152854, 10729281, 14305708, 21458562, 32187843, 42917124, 64375686, 128751372]

約数ペア:

[(1, 128751372), (2, 64375686), (3, 42917124), (4, 32187843), (6, 21458562), (9, 14305708), (12, 10729281), (18, 7152854), (19, 6776388), (36, 3576427), (38, 3388194), (57, 2258796), (76, 1694097), (114, 1129398), (171, 752932), (228, 564699), (342, 376466), (361, 356652), (684, 188233), (722, 178326), (1083, 118884), (1444, 89163), (2166, 59442), (3249, 39628), (4332, 29721), (6498, 19814), (9907, 12996)]