28787470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1471}}^1$

素因数の和:1600

約数の個数: 32

約数和(自身を含む): 55111680

約数和(自身を除く): 26324210

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1471, 1957, 2942, 3914, 7355, 9785, 14710, 19570, 27949, 55898, 139745, 151513, 279490, 303026, 757565, 1515130, 2878747, 5757494, 14393735, 28787470]

約数ペア:

[(1, 28787470), (2, 14393735), (5, 5757494), (10, 2878747), (19, 1515130), (38, 757565), (95, 303026), (103, 279490), (190, 151513), (206, 139745), (515, 55898), (1030, 27949), (1471, 19570), (1957, 14710), (2942, 9785), (3914, 7355)]