291227688

素因数分解:

$2^3\times 3^2\times {\mathrm{997}}^1\times {\mathrm{4057}}^1$

素因数の和:5066

約数の個数: 48

約数和(自身を含む): 789727380

約数和(自身を除く): 498499692

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 997, 1994, 2991, 3988, 4057, 5982, 7976, 8114, 8973, 11964, 12171, 16228, 17946, 23928, 24342, 32456, 35892, 36513, 48684, 71784, 73026, 97368, 146052, 292104, 4044829, 8089658, 12134487, 16179316, 24268974, 32358632, 36403461, 48537948, 72806922, 97075896, 145613844, 291227688]

約数ペア:

[(1, 291227688), (2, 145613844), (3, 97075896), (4, 72806922), (6, 48537948), (8, 36403461), (9, 32358632), (12, 24268974), (18, 16179316), (24, 12134487), (36, 8089658), (72, 4044829), (997, 292104), (1994, 146052), (2991, 97368), (3988, 73026), (4057, 71784), (5982, 48684), (7976, 36513), (8114, 35892), (8973, 32456), (11964, 24342), (12171, 23928), (16228, 17946)]