641310306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61819}}^1$

素因数の和:61863

約数の個数: 64

約数和(自身を含む): 1661721600

約数和(自身を除く): 1020411294

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 10374, 61819, 123638, 185457, 370914, 432733, 803647, 865466, 1174561, 1298199, 1607294, 2349122, 2410941, 2596398, 3523683, 4821882, 5625529, 7047366, 8221927, 11251058, 15269293, 16443854, 16876587, 24665781, 30538586, 33753174, 45807879, 49331562, 91615758, 106885051, 213770102, 320655153, 641310306]

約数ペア:

[(1, 641310306), (2, 320655153), (3, 213770102), (6, 106885051), (7, 91615758), (13, 49331562), (14, 45807879), (19, 33753174), (21, 30538586), (26, 24665781), (38, 16876587), (39, 16443854), (42, 15269293), (57, 11251058), (78, 8221927), (91, 7047366), (114, 5625529), (133, 4821882), (182, 3523683), (247, 2596398), (266, 2410941), (273, 2349122), (399, 1607294), (494, 1298199), (546, 1174561), (741, 865466), (798, 803647), (1482, 432733), (1729, 370914), (3458, 185457), (5187, 123638), (10374, 61819)]