222458470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21661}}^1$

素因数の和:21760

約数の個数: 32

約数和(自身を含む): 436705920

約数和(自身を除く): 214247450

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 21661, 43322, 108305, 216610, 281593, 563186, 1407965, 1711219, 2815930, 3422438, 8556095, 17112190, 22245847, 44491694, 111229235, 222458470]

約数ペア:

[(1, 222458470), (2, 111229235), (5, 44491694), (10, 22245847), (13, 17112190), (26, 8556095), (65, 3422438), (79, 2815930), (130, 1711219), (158, 1407965), (395, 563186), (790, 281593), (1027, 216610), (2054, 108305), (5135, 43322), (10270, 21661)]