990376918

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1\times {\mathrm{373}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 1567532736

約数和(自身を除く): 577155818

約数列:

[1, 2, 23, 46, 197, 293, 373, 394, 586, 746, 4531, 6739, 8579, 9062, 13478, 17158, 57721, 73481, 109289, 115442, 146962, 218578, 1327583, 1690063, 2513647, 2655166, 3380126, 5027294, 21529933, 43059866, 495188459, 990376918]

約数ペア:

[(1, 990376918), (2, 495188459), (23, 43059866), (46, 21529933), (197, 5027294), (293, 3380126), (373, 2655166), (394, 2513647), (586, 1690063), (746, 1327583), (4531, 218578), (6739, 146962), (8579, 115442), (9062, 109289), (13478, 73481), (17158, 57721)]