16721781164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1259}}^1\times {\mathrm{3821}}^1$

素因数の和:5174

約数の個数: 48

約数和(自身を含む): 32361638400

約数和(自身を除く): 15639857236

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1259, 1738, 2518, 3476, 3821, 5036, 7642, 13849, 15284, 27698, 42031, 55396, 84062, 99461, 168124, 198922, 301859, 397844, 603718, 1094071, 1207436, 2188142, 3320449, 4376284, 4810639, 6640898, 9621278, 13281796, 19242556, 52917029, 105834058, 211668116, 380040481, 760080962, 1520161924, 4180445291, 8360890582, 16721781164]

約数ペア:

[(1, 16721781164), (2, 8360890582), (4, 4180445291), (11, 1520161924), (22, 760080962), (44, 380040481), (79, 211668116), (158, 105834058), (316, 52917029), (869, 19242556), (1259, 13281796), (1738, 9621278), (2518, 6640898), (3476, 4810639), (3821, 4376284), (5036, 3320449), (7642, 2188142), (13849, 1207436), (15284, 1094071), (27698, 603718), (42031, 397844), (55396, 301859), (84062, 198922), (99461, 168124)]