149739356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{21019}}^1$

素因数の和:21173

約数の個数: 24

約数和(自身を含む): 284274480

約数和(自身を除く): 134535124

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 21019, 42038, 84076, 273247, 546494, 1092988, 2879603, 5759206, 11518412, 37434839, 74869678, 149739356]

約数ペア:

[(1, 149739356), (2, 74869678), (4, 37434839), (13, 11518412), (26, 5759206), (52, 2879603), (137, 1092988), (274, 546494), (548, 273247), (1781, 84076), (3562, 42038), (7124, 21019)]