131380672

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1109

約数の個数: 56

約数和(自身を含む): 273771360

約数和(自身を除く): 142390688

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 71, 116, 142, 232, 284, 464, 568, 928, 997, 1136, 1856, 1994, 2059, 2272, 3988, 4118, 4544, 7976, 8236, 15952, 16472, 28913, 31904, 32944, 57826, 63808, 65888, 70787, 115652, 131776, 141574, 231304, 283148, 462608, 566296, 925216, 1132592, 1850432, 2052823, 2265184, 4105646, 4530368, 8211292, 16422584, 32845168, 65690336, 131380672]

約数ペア:

[(1, 131380672), (2, 65690336), (4, 32845168), (8, 16422584), (16, 8211292), (29, 4530368), (32, 4105646), (58, 2265184), (64, 2052823), (71, 1850432), (116, 1132592), (142, 925216), (232, 566296), (284, 462608), (464, 283148), (568, 231304), (928, 141574), (997, 131776), (1136, 115652), (1856, 70787), (1994, 65888), (2059, 63808), (2272, 57826), (3988, 32944), (4118, 31904), (4544, 28913), (7976, 16472), (8236, 15952)]