78721812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2851}}^1$

素因数の和:2933

約数の個数: 72

約数和(自身を含む): 218006880

約数和(自身を除く): 139285068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 59, 78, 117, 118, 156, 177, 234, 236, 354, 468, 531, 708, 767, 1062, 1534, 2124, 2301, 2851, 3068, 4602, 5702, 6903, 8553, 9204, 11404, 13806, 17106, 25659, 27612, 34212, 37063, 51318, 74126, 102636, 111189, 148252, 168209, 222378, 333567, 336418, 444756, 504627, 667134, 672836, 1009254, 1334268, 1513881, 2018508, 2186717, 3027762, 4373434, 6055524, 6560151, 8746868, 13120302, 19680453, 26240604, 39360906, 78721812]

約数ペア:

[(1, 78721812), (2, 39360906), (3, 26240604), (4, 19680453), (6, 13120302), (9, 8746868), (12, 6560151), (13, 6055524), (18, 4373434), (26, 3027762), (36, 2186717), (39, 2018508), (52, 1513881), (59, 1334268), (78, 1009254), (117, 672836), (118, 667134), (156, 504627), (177, 444756), (234, 336418), (236, 333567), (354, 222378), (468, 168209), (531, 148252), (708, 111189), (767, 102636), (1062, 74126), (1534, 51318), (2124, 37063), (2301, 34212), (2851, 27612), (3068, 25659), (4602, 17106), (5702, 13806), (6903, 11404), (8553, 9204)]