87209815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 138101760

約数和(自身を除く): 50891945

約数列:

[1, 5, 7, 11, 29, 35, 55, 73, 77, 107, 145, 203, 319, 365, 385, 511, 535, 749, 803, 1015, 1177, 1595, 2117, 2233, 2555, 3103, 3745, 4015, 5621, 5885, 7811, 8239, 10585, 11165, 14819, 15515, 21721, 23287, 28105, 34133, 39055, 41195, 54677, 74095, 85921, 108605, 116435, 163009, 170665, 226519, 238931, 273385, 429605, 601447, 815045, 1132595, 1194655, 1585633, 2491709, 3007235, 7928165, 12458545, 17441963, 87209815]

約数ペア:

[(1, 87209815), (5, 17441963), (7, 12458545), (11, 7928165), (29, 3007235), (35, 2491709), (55, 1585633), (73, 1194655), (77, 1132595), (107, 815045), (145, 601447), (203, 429605), (319, 273385), (365, 238931), (385, 226519), (511, 170665), (535, 163009), (749, 116435), (803, 108605), (1015, 85921), (1177, 74095), (1595, 54677), (2117, 41195), (2233, 39055), (2555, 34133), (3103, 28105), (3745, 23287), (4015, 21721), (5621, 15515), (5885, 14819), (7811, 11165), (8239, 10585)]