257865452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{17159}}^1$

素因数の和:17210

約数の個数: 36

約数和(自身を含む): 516275760

約数和(自身を除く): 258410308

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 3757, 7514, 15028, 17159, 34318, 68636, 223067, 291703, 446134, 583406, 892268, 1166812, 3792139, 4958951, 7584278, 9917902, 15168556, 19835804, 64466363, 128932726, 257865452]

約数ペア:

[(1, 257865452), (2, 128932726), (4, 64466363), (13, 19835804), (17, 15168556), (26, 9917902), (34, 7584278), (52, 4958951), (68, 3792139), (221, 1166812), (289, 892268), (442, 583406), (578, 446134), (884, 291703), (1156, 223067), (3757, 68636), (7514, 34318), (15028, 17159)]