321231490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{30977}}^1$

素因数の和:31062

約数の個数: 32

約数和(自身を含む): 622286064

約数和(自身を除く): 301054574

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 10370, 30977, 61954, 154885, 309770, 526609, 1053218, 1889597, 2633045, 3779194, 5266090, 9447985, 18895970, 32123149, 64246298, 160615745, 321231490]

約数ペア:

[(1, 321231490), (2, 160615745), (5, 64246298), (10, 32123149), (17, 18895970), (34, 9447985), (61, 5266090), (85, 3779194), (122, 2633045), (170, 1889597), (305, 1053218), (610, 526609), (1037, 309770), (2074, 154885), (5185, 61954), (10370, 30977)]