90421578

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{787}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 211682016

約数和(自身を除く): 121260438

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 491, 787, 982, 1473, 1574, 2361, 2946, 4419, 4722, 6383, 7083, 8838, 10231, 12766, 14166, 19149, 20462, 30693, 38298, 57447, 61386, 92079, 114894, 184158, 386417, 772834, 1159251, 2318502, 3477753, 5023421, 6955506, 10046842, 15070263, 30140526, 45210789, 90421578]

約数ペア:

[(1, 90421578), (2, 45210789), (3, 30140526), (6, 15070263), (9, 10046842), (13, 6955506), (18, 5023421), (26, 3477753), (39, 2318502), (78, 1159251), (117, 772834), (234, 386417), (491, 184158), (787, 114894), (982, 92079), (1473, 61386), (1574, 57447), (2361, 38298), (2946, 30693), (4419, 20462), (4722, 19149), (6383, 14166), (7083, 12766), (8838, 10231)]