491485228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 944594560

約数和(自身を除く): 453109332

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 181, 316, 362, 661, 724, 1027, 1322, 2054, 2353, 2644, 4108, 4706, 8593, 9412, 14299, 17186, 28598, 34372, 52219, 57196, 104438, 119641, 185887, 208876, 239282, 371774, 478564, 678847, 743548, 1357694, 1555333, 2715388, 3110666, 6221332, 9451639, 18903278, 37806556, 122871307, 245742614, 491485228]

約数ペア:

[(1, 491485228), (2, 245742614), (4, 122871307), (13, 37806556), (26, 18903278), (52, 9451639), (79, 6221332), (158, 3110666), (181, 2715388), (316, 1555333), (362, 1357694), (661, 743548), (724, 678847), (1027, 478564), (1322, 371774), (2054, 239282), (2353, 208876), (2644, 185887), (4108, 119641), (4706, 104438), (8593, 57196), (9412, 52219), (14299, 34372), (17186, 28598)]