648983264

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{2131}}^1$

素因数の和:2479

約数の個数: 48

約数和(自身を含む): 1323818496

約数和(自身を除く): 674835232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 307, 496, 614, 992, 1228, 2131, 2456, 4262, 4912, 8524, 9517, 9824, 17048, 19034, 34096, 38068, 66061, 68192, 76136, 132122, 152272, 264244, 304544, 528488, 654217, 1056976, 1308434, 2113952, 2616868, 5233736, 10467472, 20280727, 20934944, 40561454, 81122908, 162245816, 324491632, 648983264]

約数ペア:

[(1, 648983264), (2, 324491632), (4, 162245816), (8, 81122908), (16, 40561454), (31, 20934944), (32, 20280727), (62, 10467472), (124, 5233736), (248, 2616868), (307, 2113952), (496, 1308434), (614, 1056976), (992, 654217), (1228, 528488), (2131, 304544), (2456, 264244), (4262, 152272), (4912, 132122), (8524, 76136), (9517, 68192), (9824, 66061), (17048, 38068), (19034, 34096)]