289783908

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2521}}^1$

素因数の和:2665

約数の個数: 72

約数和(自身を含む): 763782656

約数和(自身を除く): 473998748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 103, 124, 186, 206, 279, 309, 372, 412, 558, 618, 927, 1116, 1236, 1854, 2521, 3193, 3708, 5042, 6386, 7563, 9579, 10084, 12772, 15126, 19158, 22689, 28737, 30252, 38316, 45378, 57474, 78151, 90756, 114948, 156302, 234453, 259663, 312604, 468906, 519326, 703359, 778989, 937812, 1038652, 1406718, 1557978, 2336967, 2813436, 3115956, 4673934, 8049553, 9347868, 16099106, 24148659, 32198212, 48297318, 72445977, 96594636, 144891954, 289783908]

約数ペア:

[(1, 289783908), (2, 144891954), (3, 96594636), (4, 72445977), (6, 48297318), (9, 32198212), (12, 24148659), (18, 16099106), (31, 9347868), (36, 8049553), (62, 4673934), (93, 3115956), (103, 2813436), (124, 2336967), (186, 1557978), (206, 1406718), (279, 1038652), (309, 937812), (372, 778989), (412, 703359), (558, 519326), (618, 468906), (927, 312604), (1116, 259663), (1236, 234453), (1854, 156302), (2521, 114948), (3193, 90756), (3708, 78151), (5042, 57474), (6386, 45378), (7563, 38316), (9579, 30252), (10084, 28737), (12772, 22689), (15126, 19158)]