388702916644

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{70468259}}^1$

素因数の和:70468467

約数の個数: 24

約数和(自身を含む): 781352066880

約数和(自身を除く): 392649150236

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 70468259, 140936518, 281873036, 493277813, 986555626, 1973111252, 13882247023, 27764494046, 55528988092, 97175729161, 194351458322, 388702916644]

約数ペア:

[(1, 388702916644), (2, 194351458322), (4, 97175729161), (7, 55528988092), (14, 27764494046), (28, 13882247023), (197, 1973111252), (394, 986555626), (788, 493277813), (1379, 281873036), (2758, 140936518), (5516, 70468259)]