647541730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{8053}}^1$

素因数の和:8131

約数の個数: 64

約数和(自身を含む): 1377813888

約数和(自身を除く): 730272158

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 43, 55, 85, 86, 110, 170, 187, 215, 374, 430, 473, 731, 935, 946, 1462, 1870, 2365, 3655, 4730, 7310, 8041, 8053, 16082, 16106, 40205, 40265, 80410, 80530, 88583, 136901, 177166, 273802, 346279, 442915, 684505, 692558, 885830, 1369010, 1505911, 1731395, 3011822, 3462790, 3809069, 5886743, 7529555, 7618138, 11773486, 15059110, 19045345, 29433715, 38090690, 58867430, 64754173, 129508346, 323770865, 647541730]

約数ペア:

[(1, 647541730), (2, 323770865), (5, 129508346), (10, 64754173), (11, 58867430), (17, 38090690), (22, 29433715), (34, 19045345), (43, 15059110), (55, 11773486), (85, 7618138), (86, 7529555), (110, 5886743), (170, 3809069), (187, 3462790), (215, 3011822), (374, 1731395), (430, 1505911), (473, 1369010), (731, 885830), (935, 692558), (946, 684505), (1462, 442915), (1870, 346279), (2365, 273802), (3655, 177166), (4730, 136901), (7310, 88583), (8041, 80530), (8053, 80410), (16082, 40265), (16106, 40205)]