25499201

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 8466367

約数列:

[1, 7, 13, 17, 53, 91, 119, 221, 311, 371, 689, 901, 1547, 2177, 4043, 4823, 5287, 6307, 11713, 16483, 28301, 37009, 68731, 81991, 115381, 214279, 280211, 481117, 1499953, 1961477, 3642743, 25499201]

約数ペア:

[(1, 25499201), (7, 3642743), (13, 1961477), (17, 1499953), (53, 481117), (91, 280211), (119, 214279), (221, 115381), (311, 81991), (371, 68731), (689, 37009), (901, 28301), (1547, 16483), (2177, 11713), (4043, 6307), (4823, 5287)]