291464855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2039}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 401863680

約数和(自身を除く): 110398825

約数列:

[1, 5, 11, 23, 55, 113, 115, 253, 565, 1243, 1265, 2039, 2599, 6215, 10195, 12995, 22429, 28589, 46897, 112145, 142945, 230407, 234485, 515867, 1152035, 2534477, 2579335, 5299361, 12672385, 26496805, 58292971, 291464855]

約数ペア:

[(1, 291464855), (5, 58292971), (11, 26496805), (23, 12672385), (55, 5299361), (113, 2579335), (115, 2534477), (253, 1152035), (565, 515867), (1243, 234485), (1265, 230407), (2039, 142945), (2599, 112145), (6215, 46897), (10195, 28589), (12995, 22429)]