64705928

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37273}}^1$

素因数の和:37317

約数の個数: 32

約数和(自身を含む): 143132160

約数和(自身を除く): 78426232

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 37273, 74546, 149092, 260911, 298184, 521822, 1043644, 1155463, 2087288, 2310926, 4621852, 8088241, 9243704, 16176482, 32352964, 64705928]

約数ペア:

[(1, 64705928), (2, 32352964), (4, 16176482), (7, 9243704), (8, 8088241), (14, 4621852), (28, 2310926), (31, 2087288), (56, 1155463), (62, 1043644), (124, 521822), (217, 298184), (248, 260911), (434, 149092), (868, 74546), (1736, 37273)]