65216268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 178492496

約数和(自身を除く): 113276228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 331, 421, 468, 662, 842, 993, 1263, 1324, 1684, 1986, 2526, 2979, 3789, 3972, 4303, 5052, 5473, 5958, 7578, 8606, 10946, 11916, 12909, 15156, 16419, 17212, 21892, 25818, 32838, 38727, 49257, 51636, 65676, 77454, 98514, 139351, 154908, 197028, 278702, 418053, 557404, 836106, 1254159, 1672212, 1811563, 2508318, 3623126, 5016636, 5434689, 7246252, 10869378, 16304067, 21738756, 32608134, 65216268]

約数ペア:

[(1, 65216268), (2, 32608134), (3, 21738756), (4, 16304067), (6, 10869378), (9, 7246252), (12, 5434689), (13, 5016636), (18, 3623126), (26, 2508318), (36, 1811563), (39, 1672212), (52, 1254159), (78, 836106), (117, 557404), (156, 418053), (234, 278702), (331, 197028), (421, 154908), (468, 139351), (662, 98514), (842, 77454), (993, 65676), (1263, 51636), (1324, 49257), (1684, 38727), (1986, 32838), (2526, 25818), (2979, 21892), (3789, 17212), (3972, 16419), (4303, 15156), (5052, 12909), (5473, 11916), (5958, 10946), (7578, 8606)]