86668556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 168426720

約数和(自身を除く): 81758164

約数列:

[1, 2, 4, 13, 26, 52, 61, 89, 122, 178, 244, 307, 356, 614, 793, 1157, 1228, 1586, 2314, 3172, 3991, 4628, 5429, 7982, 10858, 15964, 18727, 21716, 27323, 37454, 54646, 70577, 74908, 109292, 141154, 243451, 282308, 355199, 486902, 710398, 973804, 1420796, 1666703, 3333406, 6666812, 21667139, 43334278, 86668556]

約数ペア:

[(1, 86668556), (2, 43334278), (4, 21667139), (13, 6666812), (26, 3333406), (52, 1666703), (61, 1420796), (89, 973804), (122, 710398), (178, 486902), (244, 355199), (307, 282308), (356, 243451), (614, 141154), (793, 109292), (1157, 74908), (1228, 70577), (1586, 54646), (2314, 37454), (3172, 27323), (3991, 21716), (4628, 18727), (5429, 15964), (7982, 10858)]