278316563889

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1\times {\mathrm{16349}}^1$

素因数の和:16990

約数の個数: 64

約数和(自身を含む): 461286604800

約数和(自身を除く): 182970040911

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 491, 889, 1473, 1651, 2667, 3437, 4953, 6383, 10311, 11557, 16349, 19149, 34671, 44681, 49047, 62357, 114443, 134043, 187071, 212537, 343329, 436499, 637611, 810641, 1309497, 1487759, 2076323, 2431923, 4463277, 5674487, 6228969, 8027359, 14534261, 17023461, 24082077, 26992199, 43602783, 56191513, 80976597, 104355667, 168574539, 188945393, 313067001, 566836179, 730489669, 1019474593, 2191469007, 3058423779, 7136322151, 13253169709, 21408966453, 39759509127, 92772187963, 278316563889]

約数ペア:

[(1, 278316563889), (3, 92772187963), (7, 39759509127), (13, 21408966453), (21, 13253169709), (39, 7136322151), (91, 3058423779), (127, 2191469007), (273, 1019474593), (381, 730489669), (491, 566836179), (889, 313067001), (1473, 188945393), (1651, 168574539), (2667, 104355667), (3437, 80976597), (4953, 56191513), (6383, 43602783), (10311, 26992199), (11557, 24082077), (16349, 17023461), (19149, 14534261), (34671, 8027359), (44681, 6228969), (49047, 5674487), (62357, 4463277), (114443, 2431923), (134043, 2076323), (187071, 1487759), (212537, 1309497), (343329, 810641), (436499, 637611)]