201123505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 273715200

約数和(自身を除く): 72591695

約数列:

[1, 5, 11, 31, 55, 155, 179, 341, 659, 895, 1705, 1969, 3295, 5549, 7249, 9845, 20429, 27745, 36245, 61039, 102145, 117961, 224719, 305195, 589805, 1123595, 1297571, 3656791, 6487855, 18283955, 40224701, 201123505]

約数ペア:

[(1, 201123505), (5, 40224701), (11, 18283955), (31, 6487855), (55, 3656791), (155, 1297571), (179, 1123595), (341, 589805), (659, 305195), (895, 224719), (1705, 117961), (1969, 102145), (3295, 61039), (5549, 36245), (7249, 27745), (9845, 20429)]