77147890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 141803136

約数和(自身を除く): 64655246

約数列:

[1, 2, 5, 10, 71, 142, 193, 355, 386, 563, 710, 965, 1126, 1930, 2815, 5630, 13703, 27406, 39973, 68515, 79946, 108659, 137030, 199865, 217318, 399730, 543295, 1086590, 7714789, 15429578, 38573945, 77147890]

約数ペア:

[(1, 77147890), (2, 38573945), (5, 15429578), (10, 7714789), (71, 1086590), (142, 543295), (193, 399730), (355, 217318), (386, 199865), (563, 137030), (710, 108659), (965, 79946), (1126, 68515), (1930, 39973), (2815, 27406), (5630, 13703)]