81830890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{823}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 150811776

約数和(自身を除く): 68980886

約数列:

[1, 2, 5, 10, 61, 122, 163, 305, 326, 610, 815, 823, 1630, 1646, 4115, 8230, 9943, 19886, 49715, 50203, 99430, 100406, 134149, 251015, 268298, 502030, 670745, 1341490, 8183089, 16366178, 40915445, 81830890]

約数ペア:

[(1, 81830890), (2, 40915445), (5, 16366178), (10, 8183089), (61, 1341490), (122, 670745), (163, 502030), (305, 268298), (326, 251015), (610, 134149), (815, 100406), (823, 99430), (1630, 50203), (1646, 49715), (4115, 19886), (8230, 9943)]