28667678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 49714560

約数和(自身を除く): 21046882

約数列:

[1, 2, 13, 17, 26, 34, 79, 158, 221, 442, 821, 1027, 1343, 1642, 2054, 2686, 10673, 13957, 17459, 21346, 27914, 34918, 64859, 129718, 181441, 362882, 843167, 1102603, 1686334, 2205206, 14333839, 28667678]

約数ペア:

[(1, 28667678), (2, 14333839), (13, 2205206), (17, 1686334), (26, 1102603), (34, 843167), (79, 362882), (158, 181441), (221, 129718), (442, 64859), (821, 34918), (1027, 27914), (1343, 21346), (1642, 17459), (2054, 13957), (2686, 10673)]