261569238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{757}}^1$

素因数の和:1221

約数の個数: 64

約数和(自身を含む): 631626240

約数和(自身を除く): 370057002

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 433, 757, 798, 866, 1299, 1514, 2271, 2598, 3031, 4542, 5299, 6062, 8227, 9093, 10598, 14383, 15897, 16454, 18186, 24681, 28766, 31794, 43149, 49362, 57589, 86298, 100681, 115178, 172767, 201362, 302043, 327781, 345534, 604086, 655562, 983343, 1966686, 2294467, 4588934, 6227839, 6883401, 12455678, 13766802, 18683517, 37367034, 43594873, 87189746, 130784619, 261569238]

約数ペア:

[(1, 261569238), (2, 130784619), (3, 87189746), (6, 43594873), (7, 37367034), (14, 18683517), (19, 13766802), (21, 12455678), (38, 6883401), (42, 6227839), (57, 4588934), (114, 2294467), (133, 1966686), (266, 983343), (399, 655562), (433, 604086), (757, 345534), (798, 327781), (866, 302043), (1299, 201362), (1514, 172767), (2271, 115178), (2598, 100681), (3031, 86298), (4542, 57589), (5299, 49362), (6062, 43149), (8227, 31794), (9093, 28766), (10598, 24681), (14383, 18186), (15897, 16454)]