721051702

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1045

約数の個数: 64

約数和(自身を含む): 1376040960

約数和(自身を除く): 654989258

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 157, 161, 238, 314, 322, 391, 782, 839, 1099, 1678, 2198, 2669, 2737, 3611, 5338, 5474, 5873, 7222, 11746, 14263, 18683, 19297, 25277, 28526, 37366, 38594, 50554, 61387, 99841, 122774, 131723, 135079, 199682, 263446, 270158, 328049, 429709, 656098, 859418, 922061, 1844122, 2239291, 2296343, 3029629, 4478582, 4592686, 6059258, 15675037, 21207403, 31350074, 42414806, 51503693, 103007386, 360525851, 721051702]

約数ペア:

[(1, 721051702), (2, 360525851), (7, 103007386), (14, 51503693), (17, 42414806), (23, 31350074), (34, 21207403), (46, 15675037), (119, 6059258), (157, 4592686), (161, 4478582), (238, 3029629), (314, 2296343), (322, 2239291), (391, 1844122), (782, 922061), (839, 859418), (1099, 656098), (1678, 429709), (2198, 328049), (2669, 270158), (2737, 263446), (3611, 199682), (5338, 135079), (5474, 131723), (5873, 122774), (7222, 99841), (11746, 61387), (14263, 50554), (18683, 38594), (19297, 37366), (25277, 28526)]