156765401

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 183617280

約数和(自身を除く): 26851879

約数列:

[1, 13, 23, 43, 89, 137, 299, 559, 989, 1157, 1781, 2047, 3151, 3827, 5891, 12193, 12857, 26611, 40963, 49751, 76583, 88021, 135493, 158509, 280439, 524299, 1144273, 1761409, 3645707, 6815887, 12058877, 156765401]

約数ペア:

[(1, 156765401), (13, 12058877), (23, 6815887), (43, 3645707), (89, 1761409), (137, 1144273), (299, 524299), (559, 280439), (989, 158509), (1157, 135493), (1781, 88021), (2047, 76583), (3151, 49751), (3827, 40963), (5891, 26611), (12193, 12857)]