64431128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6949}}^1$

素因数の和:7035

約数の個数: 32

約数和(自身を含む): 129270000

約数和(自身を除く): 64838872

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 6949, 9272, 13898, 27796, 55592, 132031, 264062, 423889, 528124, 847778, 1056248, 1695556, 3391112, 8053891, 16107782, 32215564, 64431128]

約数ペア:

[(1, 64431128), (2, 32215564), (4, 16107782), (8, 8053891), (19, 3391112), (38, 1695556), (61, 1056248), (76, 847778), (122, 528124), (152, 423889), (244, 264062), (488, 132031), (1159, 55592), (2318, 27796), (4636, 13898), (6949, 9272)]