278833295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 372314880

約数和(自身を除く): 93481585

約数列:

[1, 5, 13, 37, 65, 185, 269, 431, 481, 1345, 2155, 2405, 3497, 5603, 9953, 15947, 17485, 28015, 49765, 79735, 115939, 129389, 207311, 579695, 646945, 1036555, 1507207, 4289743, 7536035, 21448715, 55766659, 278833295]

約数ペア:

[(1, 278833295), (5, 55766659), (13, 21448715), (37, 7536035), (65, 4289743), (185, 1507207), (269, 1036555), (431, 646945), (481, 579695), (1345, 207311), (2155, 129389), (2405, 115939), (3497, 79735), (5603, 49765), (9953, 28015), (15947, 17485)]