1379968885816

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{309687811}}^1$

素因数の和:309688374

約数の個数: 16

約数和(自身を含む): 2592086986440

約数和(自身を除く): 1212118100624

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 309687811, 619375622, 1238751244, 2477502488, 172496110727, 344992221454, 689984442908, 1379968885816]

約数ペア:

[(1, 1379968885816), (2, 689984442908), (4, 344992221454), (8, 172496110727), (557, 2477502488), (1114, 1238751244), (2228, 619375622), (4456, 309687811)]