26256405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 49412160

約数和(自身を除く): 23155755

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 139, 147, 245, 257, 417, 695, 735, 771, 973, 1285, 1799, 2085, 2919, 3855, 4865, 5397, 6811, 8995, 12593, 14595, 20433, 26985, 34055, 35723, 37779, 62965, 102165, 107169, 178615, 188895, 250061, 535845, 750183, 1250305, 1750427, 3750915, 5251281, 8752135, 26256405]

約数ペア:

[(1, 26256405), (3, 8752135), (5, 5251281), (7, 3750915), (15, 1750427), (21, 1250305), (35, 750183), (49, 535845), (105, 250061), (139, 188895), (147, 178615), (245, 107169), (257, 102165), (417, 62965), (695, 37779), (735, 35723), (771, 34055), (973, 26985), (1285, 20433), (1799, 14595), (2085, 12593), (2919, 8995), (3855, 6811), (4865, 5397)]