648902912

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11681}}^1$

素因数の和:11735

約数の個数: 72

約数和(自身を含む): 1528192512

約数和(自身を除く): 879289600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 7936, 11681, 13888, 23362, 27776, 46724, 55552, 81767, 93448, 163534, 186896, 327068, 362111, 373792, 654136, 724222, 747584, 1308272, 1448444, 1495168, 2534777, 2616544, 2896888, 2990336, 5069554, 5233088, 5793776, 10139108, 10466176, 11587552, 20278216, 20932352, 23175104, 40556432, 46350208, 81112864, 92700416, 162225728, 324451456, 648902912]

約数ペア:

[(1, 648902912), (2, 324451456), (4, 162225728), (7, 92700416), (8, 81112864), (14, 46350208), (16, 40556432), (28, 23175104), (31, 20932352), (32, 20278216), (56, 11587552), (62, 10466176), (64, 10139108), (112, 5793776), (124, 5233088), (128, 5069554), (217, 2990336), (224, 2896888), (248, 2616544), (256, 2534777), (434, 1495168), (448, 1448444), (496, 1308272), (868, 747584), (896, 724222), (992, 654136), (1736, 373792), (1792, 362111), (1984, 327068), (3472, 186896), (3968, 163534), (6944, 93448), (7936, 81767), (11681, 55552), (13888, 46724), (23362, 27776)]