381749872

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2646

約数の個数: 80

約数和(自身を含む): 893212672

約数和(自身を除く): 511462800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 43, 56, 62, 86, 112, 124, 172, 217, 248, 301, 344, 434, 496, 602, 688, 868, 1204, 1333, 1736, 2408, 2557, 2666, 3472, 4816, 5114, 5332, 9331, 10228, 10664, 17899, 18662, 20456, 21328, 35798, 37324, 40912, 71596, 74648, 79267, 109951, 143192, 149296, 158534, 219902, 286384, 317068, 439804, 554869, 634136, 769657, 879608, 1109738, 1268272, 1539314, 1759216, 2219476, 3078628, 3408481, 4438952, 6157256, 6816962, 8877904, 12314512, 13633924, 23859367, 27267848, 47718734, 54535696, 95437468, 190874936, 381749872]

約数ペア:

[(1, 381749872), (2, 190874936), (4, 95437468), (7, 54535696), (8, 47718734), (14, 27267848), (16, 23859367), (28, 13633924), (31, 12314512), (43, 8877904), (56, 6816962), (62, 6157256), (86, 4438952), (112, 3408481), (124, 3078628), (172, 2219476), (217, 1759216), (248, 1539314), (301, 1268272), (344, 1109738), (434, 879608), (496, 769657), (602, 634136), (688, 554869), (868, 439804), (1204, 317068), (1333, 286384), (1736, 219902), (2408, 158534), (2557, 149296), (2666, 143192), (3472, 109951), (4816, 79267), (5114, 74648), (5332, 71596), (9331, 40912), (10228, 37324), (10664, 35798), (17899, 21328), (18662, 20456)]