204896887

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2\times {\mathrm{181}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 233437568

約数和(自身を除く): 28540681

約数列:

[1, 13, 31, 53, 181, 403, 689, 1643, 2353, 2809, 5611, 9593, 21359, 36517, 72943, 87079, 124709, 297383, 508429, 1132027, 3865979, 6609577, 15761299, 204896887]

約数ペア:

[(1, 204896887), (13, 15761299), (31, 6609577), (53, 3865979), (181, 1132027), (403, 508429), (689, 297383), (1643, 124709), (2353, 87079), (2809, 72943), (5611, 36517), (9593, 21359)]