1557788598

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{157639}}^1$

素因数の和:157714

約数の個数: 40

約数和(自身を含む): 3547845840

約数和(自身を除く): 1990057242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 3294, 4941, 9882, 157639, 315278, 472917, 945834, 1418751, 2837502, 4256253, 8512506, 9615979, 12768759, 19231958, 25537518, 28847937, 57695874, 86543811, 173087622, 259631433, 519262866, 778894299, 1557788598]

約数ペア:

[(1, 1557788598), (2, 778894299), (3, 519262866), (6, 259631433), (9, 173087622), (18, 86543811), (27, 57695874), (54, 28847937), (61, 25537518), (81, 19231958), (122, 12768759), (162, 9615979), (183, 8512506), (366, 4256253), (549, 2837502), (1098, 1418751), (1647, 945834), (3294, 472917), (4941, 315278), (9882, 157639)]