28781330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 53844480

約数和(自身を除く): 25063150

約数列:

[1, 2, 5, 10, 31, 62, 155, 227, 310, 409, 454, 818, 1135, 2045, 2270, 4090, 7037, 12679, 14074, 25358, 35185, 63395, 70370, 92843, 126790, 185686, 464215, 928430, 2878133, 5756266, 14390665, 28781330]

約数ペア:

[(1, 28781330), (2, 14390665), (5, 5756266), (10, 2878133), (31, 928430), (62, 464215), (155, 185686), (227, 126790), (310, 92843), (409, 70370), (454, 63395), (818, 35185), (1135, 25358), (2045, 14074), (2270, 12679), (4090, 7037)]