647579212

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{1723}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 1340803072

約数和(自身を除く): 693223860

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 433, 434, 866, 868, 1723, 1732, 3031, 3446, 6062, 6892, 12061, 12124, 13423, 24122, 26846, 48244, 53413, 53692, 93961, 106826, 187922, 213652, 373891, 375844, 746059, 747782, 1492118, 1495564, 2984236, 5222413, 10444826, 20889652, 23127829, 46255658, 92511316, 161894803, 323789606, 647579212]

約数ペア:

[(1, 647579212), (2, 323789606), (4, 161894803), (7, 92511316), (14, 46255658), (28, 23127829), (31, 20889652), (62, 10444826), (124, 5222413), (217, 2984236), (433, 1495564), (434, 1492118), (866, 747782), (868, 746059), (1723, 375844), (1732, 373891), (3031, 213652), (3446, 187922), (6062, 106826), (6892, 93961), (12061, 53692), (12124, 53413), (13423, 48244), (24122, 26846)]