81220248

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{36389}}^1$

素因数の和:36432

約数の個数: 48

約数和(自身を含む): 227073600

約数和(自身を除く): 145853352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 36389, 72778, 109167, 145556, 218334, 291112, 327501, 436668, 655002, 873336, 1128059, 1310004, 2256118, 2620008, 3384177, 4512236, 6768354, 9024472, 10152531, 13536708, 20305062, 27073416, 40610124, 81220248]

約数ペア:

[(1, 81220248), (2, 40610124), (3, 27073416), (4, 20305062), (6, 13536708), (8, 10152531), (9, 9024472), (12, 6768354), (18, 4512236), (24, 3384177), (31, 2620008), (36, 2256118), (62, 1310004), (72, 1128059), (93, 873336), (124, 655002), (186, 436668), (248, 327501), (279, 291112), (372, 218334), (558, 145556), (744, 109167), (1116, 72778), (2232, 36389)]