42400631

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 54902400

約数和(自身を除く): 12501769

約数列:

[1, 7, 13, 37, 49, 91, 257, 259, 343, 481, 637, 1799, 1813, 3341, 3367, 4459, 9509, 12593, 12691, 23387, 23569, 66563, 88151, 123617, 163709, 164983, 465941, 865319, 1145963, 3261587, 6057233, 42400631]

約数ペア:

[(1, 42400631), (7, 6057233), (13, 3261587), (37, 1145963), (49, 865319), (91, 465941), (257, 164983), (259, 163709), (343, 123617), (481, 88151), (637, 66563), (1799, 23569), (1813, 23387), (3341, 12691), (3367, 12593), (4459, 9509)]