3915884

素因数分解:

$2^2\times 7^2\times {\mathrm{19979}}^1$

素因数の和:19997

約数の個数: 18

約数和(自身を含む): 7972020

約数和(自身を除く): 4056136

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 19979, 39958, 79916, 139853, 279706, 559412, 978971, 1957942, 3915884]

約数ペア:

[(1, 3915884), (2, 1957942), (4, 978971), (7, 559412), (14, 279706), (28, 139853), (49, 79916), (98, 39958), (196, 19979)]