1812777770

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1\times {\mathrm{2131}}^1$

素因数の和:2726

約数の個数: 32

約数和(自身を含む): 3287134656

約数和(自身を除く): 1474356886

約数列:

[1, 2, 5, 10, 257, 331, 514, 662, 1285, 1655, 2131, 2570, 3310, 4262, 10655, 21310, 85067, 170134, 425335, 547667, 705361, 850670, 1095334, 1410722, 2738335, 3526805, 5476670, 7053610, 181277777, 362555554, 906388885, 1812777770]

約数ペア:

[(1, 1812777770), (2, 906388885), (5, 362555554), (10, 181277777), (257, 7053610), (331, 5476670), (514, 3526805), (662, 2738335), (1285, 1410722), (1655, 1095334), (2131, 850670), (2570, 705361), (3310, 547667), (4262, 425335), (10655, 170134), (21310, 85067)]