664861324

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{39679}}^1$

素因数の和:39813

約数の個数: 24

約数和(自身を含む): 1199923200

約数和(自身を除く): 535061876

約数列:

[1, 2, 4, 59, 71, 118, 142, 236, 284, 4189, 8378, 16756, 39679, 79358, 158716, 2341061, 2817209, 4682122, 5634418, 9364244, 11268836, 166215331, 332430662, 664861324]

約数ペア:

[(1, 664861324), (2, 332430662), (4, 166215331), (59, 11268836), (71, 9364244), (118, 5634418), (142, 4682122), (236, 2817209), (284, 2341061), (4189, 158716), (8378, 79358), (16756, 39679)]