172491605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 269111808

約数和(自身を除く): 96620203

約数列:

[1, 5, 11, 13, 17, 23, 55, 65, 85, 115, 143, 187, 221, 253, 299, 391, 617, 715, 935, 1105, 1265, 1495, 1955, 2431, 3085, 3289, 4301, 5083, 6787, 8021, 10489, 12155, 14191, 16445, 21505, 25415, 33935, 40105, 52445, 55913, 70955, 88231, 115379, 136357, 156101, 184483, 241247, 279565, 441155, 576895, 681785, 780505, 922415, 1206235, 1499927, 2029313, 2653717, 3136211, 7499635, 10146565, 13268585, 15681055, 34498321, 172491605]

約数ペア:

[(1, 172491605), (5, 34498321), (11, 15681055), (13, 13268585), (17, 10146565), (23, 7499635), (55, 3136211), (65, 2653717), (85, 2029313), (115, 1499927), (143, 1206235), (187, 922415), (221, 780505), (253, 681785), (299, 576895), (391, 441155), (617, 279565), (715, 241247), (935, 184483), (1105, 156101), (1265, 136357), (1495, 115379), (1955, 88231), (2431, 70955), (3085, 55913), (3289, 52445), (4301, 40105), (5083, 33935), (6787, 25415), (8021, 21505), (10489, 16445), (12155, 14191)]