28287128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{683}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 26870632

約数列:

[1, 2, 4, 8, 31, 62, 124, 167, 248, 334, 668, 683, 1336, 1366, 2732, 5177, 5464, 10354, 20708, 21173, 41416, 42346, 84692, 114061, 169384, 228122, 456244, 912488, 3535891, 7071782, 14143564, 28287128]

約数ペア:

[(1, 28287128), (2, 14143564), (4, 7071782), (8, 3535891), (31, 912488), (62, 456244), (124, 228122), (167, 169384), (248, 114061), (334, 84692), (668, 42346), (683, 41416), (1336, 21173), (1366, 20708), (2732, 10354), (5177, 5464)]