261410272

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2179}}^1$

素因数の和:2375

約数の個数: 48

約数和(自身を含む): 540570240

約数和(自身を除く): 279159968

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 163, 184, 326, 368, 652, 736, 1304, 2179, 2608, 3749, 4358, 5216, 7498, 8716, 14996, 17432, 29992, 34864, 50117, 59984, 69728, 100234, 119968, 200468, 355177, 400936, 710354, 801872, 1420708, 1603744, 2841416, 5682832, 8169071, 11365664, 16338142, 32676284, 65352568, 130705136, 261410272]

約数ペア:

[(1, 261410272), (2, 130705136), (4, 65352568), (8, 32676284), (16, 16338142), (23, 11365664), (32, 8169071), (46, 5682832), (92, 2841416), (163, 1603744), (184, 1420708), (326, 801872), (368, 710354), (652, 400936), (736, 355177), (1304, 200468), (2179, 119968), (2608, 100234), (3749, 69728), (4358, 59984), (5216, 50117), (7498, 34864), (8716, 29992), (14996, 17432)]