28640296

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 58155840

約数和(自身を除く): 29515544

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 211, 361, 376, 422, 722, 844, 893, 1444, 1688, 1786, 2888, 3572, 4009, 7144, 8018, 9917, 16036, 16967, 19834, 32072, 33934, 39668, 67868, 76171, 79336, 135736, 152342, 188423, 304684, 376846, 609368, 753692, 1507384, 3580037, 7160074, 14320148, 28640296]

約数ペア:

[(1, 28640296), (2, 14320148), (4, 7160074), (8, 3580037), (19, 1507384), (38, 753692), (47, 609368), (76, 376846), (94, 304684), (152, 188423), (188, 152342), (211, 135736), (361, 79336), (376, 76171), (422, 67868), (722, 39668), (844, 33934), (893, 32072), (1444, 19834), (1688, 16967), (1786, 16036), (2888, 9917), (3572, 8018), (4009, 7144)]