291275015

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 366996096

約数和(自身を除く): 75721081

約数列:

[1, 5, 53, 71, 113, 137, 265, 355, 565, 685, 3763, 5989, 7261, 8023, 9727, 15481, 18815, 29945, 36305, 40115, 48635, 77405, 425219, 515531, 820493, 1099151, 2126095, 2577655, 4102465, 5495755, 58255003, 291275015]

約数ペア:

[(1, 291275015), (5, 58255003), (53, 5495755), (71, 4102465), (113, 2577655), (137, 2126095), (265, 1099151), (355, 820493), (565, 515531), (685, 425219), (3763, 77405), (5989, 48635), (7261, 40115), (8023, 36305), (9727, 29945), (15481, 18815)]