1561193728

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1549}}^1$

素因数の和:1723

約数の個数: 72

約数和(自身を含む): 3244236800

約数和(自身を除く): 1683043072

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 256, 496, 508, 992, 1016, 1549, 1984, 2032, 3098, 3937, 3968, 4064, 6196, 7874, 7936, 8128, 12392, 15748, 16256, 24784, 31496, 32512, 48019, 49568, 62992, 96038, 99136, 125984, 192076, 196723, 198272, 251968, 384152, 393446, 396544, 503936, 768304, 786892, 1007872, 1536608, 1573784, 3073216, 3147568, 6098413, 6146432, 6295136, 12196826, 12292864, 12590272, 24393652, 25180544, 48787304, 50361088, 97574608, 195149216, 390298432, 780596864, 1561193728]

約数ペア:

[(1, 1561193728), (2, 780596864), (4, 390298432), (8, 195149216), (16, 97574608), (31, 50361088), (32, 48787304), (62, 25180544), (64, 24393652), (124, 12590272), (127, 12292864), (128, 12196826), (248, 6295136), (254, 6146432), (256, 6098413), (496, 3147568), (508, 3073216), (992, 1573784), (1016, 1536608), (1549, 1007872), (1984, 786892), (2032, 768304), (3098, 503936), (3937, 396544), (3968, 393446), (4064, 384152), (6196, 251968), (7874, 198272), (7936, 196723), (8128, 192076), (12392, 125984), (15748, 99136), (16256, 96038), (24784, 62992), (31496, 49568), (32512, 48019)]