72428330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2571

約数の個数: 48

約数和(自身を含む): 149534424

約数和(自身を除く): 77106094

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1105, 1690, 2210, 2521, 2873, 5042, 5746, 12605, 14365, 25210, 28730, 32773, 42857, 65546, 85714, 163865, 214285, 327730, 426049, 428570, 557141, 852098, 1114282, 2130245, 2785705, 4260490, 5571410, 7242833, 14485666, 36214165, 72428330]

約数ペア:

[(1, 72428330), (2, 36214165), (5, 14485666), (10, 7242833), (13, 5571410), (17, 4260490), (26, 2785705), (34, 2130245), (65, 1114282), (85, 852098), (130, 557141), (169, 428570), (170, 426049), (221, 327730), (338, 214285), (442, 163865), (845, 85714), (1105, 65546), (1690, 42857), (2210, 32773), (2521, 28730), (2873, 25210), (5042, 14365), (5746, 12605)]