16991416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 34524000

約数和(自身を除く): 17532584

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 821, 1592, 1642, 2587, 3284, 5174, 6568, 10348, 10673, 20696, 21346, 42692, 85384, 163379, 326758, 653516, 1307032, 2123927, 4247854, 8495708, 16991416]

約数ペア:

[(1, 16991416), (2, 8495708), (4, 4247854), (8, 2123927), (13, 1307032), (26, 653516), (52, 326758), (104, 163379), (199, 85384), (398, 42692), (796, 21346), (821, 20696), (1592, 10673), (1642, 10348), (2587, 6568), (3284, 5174)]