65289328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4421}}^1$

素因数の和:4513

約数の個数: 40

約数和(自身を含む): 138178656

約数和(自身を除く): 72889328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 4421, 7384, 8842, 14768, 17684, 35368, 57473, 70736, 114946, 229892, 313891, 459784, 627782, 919568, 1255564, 2511128, 4080583, 5022256, 8161166, 16322332, 32644664, 65289328]

約数ペア:

[(1, 65289328), (2, 32644664), (4, 16322332), (8, 8161166), (13, 5022256), (16, 4080583), (26, 2511128), (52, 1255564), (71, 919568), (104, 627782), (142, 459784), (208, 313891), (284, 229892), (568, 114946), (923, 70736), (1136, 57473), (1846, 35368), (3692, 17684), (4421, 14768), (7384, 8842)]