399156719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1\times {\mathrm{1553}}^1$

素因数の和:2746

約数の個数: 16

約数和(自身を含む): 455831712

約数和(自身を除く): 56674993

約数列:

[1, 13, 17, 221, 1163, 1553, 15119, 19771, 20189, 26401, 257023, 343213, 1806139, 23479807, 30704363, 399156719]

約数ペア:

[(1, 399156719), (13, 30704363), (17, 23479807), (221, 1806139), (1163, 343213), (1553, 257023), (15119, 26401), (19771, 20189)]