123378736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3011}}^1$

素因数の和:3229

約数の個数: 40

約数和(自身を含む): 258827184

約数和(自身を除く): 135448448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 788, 1576, 2561, 3011, 3152, 5122, 6022, 10244, 12044, 20488, 24088, 39143, 40976, 48176, 78286, 156572, 313144, 593167, 626288, 1186334, 2372668, 4745336, 7711171, 9490672, 15422342, 30844684, 61689368, 123378736]

約数ペア:

[(1, 123378736), (2, 61689368), (4, 30844684), (8, 15422342), (13, 9490672), (16, 7711171), (26, 4745336), (52, 2372668), (104, 1186334), (197, 626288), (208, 593167), (394, 313144), (788, 156572), (1576, 78286), (2561, 48176), (3011, 40976), (3152, 39143), (5122, 24088), (6022, 20488), (10244, 12044)]