289756415

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 416467008

約数和(自身を除く): 126710593

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 169, 221, 299, 391, 845, 877, 1105, 1495, 1955, 2873, 3887, 4385, 5083, 11401, 14365, 14909, 19435, 20171, 25415, 57005, 66079, 74545, 100855, 148213, 193817, 262223, 330395, 342907, 741065, 969085, 1311115, 1714535, 2519621, 3408899, 4457791, 12598105, 17044495, 22288955, 57951283, 289756415]

約数ペア:

[(1, 289756415), (5, 57951283), (13, 22288955), (17, 17044495), (23, 12598105), (65, 4457791), (85, 3408899), (115, 2519621), (169, 1714535), (221, 1311115), (299, 969085), (391, 741065), (845, 342907), (877, 330395), (1105, 262223), (1495, 193817), (1955, 148213), (2873, 100855), (3887, 74545), (4385, 66079), (5083, 57005), (11401, 25415), (14365, 20171), (14909, 19435)]