127991344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{615343}}^1$

素因数の和:615364

約数の個数: 20

約数和(自身を含む): 267059296

約数和(自身を除く): 139067952

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 615343, 1230686, 2461372, 4922744, 7999459, 9845488, 15998918, 31997836, 63995672, 127991344]

約数ペア:

[(1, 127991344), (2, 63995672), (4, 31997836), (8, 15998918), (13, 9845488), (16, 7999459), (26, 4922744), (52, 2461372), (104, 1230686), (208, 615343)]