87189515

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 136028160

約数和(自身を除く): 48838645

約数列:

[1, 5, 7, 17, 29, 31, 35, 85, 119, 145, 155, 163, 203, 217, 493, 527, 595, 815, 899, 1015, 1085, 1141, 2465, 2635, 2771, 3451, 3689, 4495, 4727, 5053, 5705, 6293, 13855, 15283, 17255, 18445, 19397, 23635, 25265, 31465, 33089, 35371, 76415, 80359, 85901, 96985, 106981, 146537, 165445, 176855, 401795, 429505, 534905, 562513, 601307, 732685, 1025759, 2491129, 2812565, 3006535, 5128795, 12455645, 17437903, 87189515]

約数ペア:

[(1, 87189515), (5, 17437903), (7, 12455645), (17, 5128795), (29, 3006535), (31, 2812565), (35, 2491129), (85, 1025759), (119, 732685), (145, 601307), (155, 562513), (163, 534905), (203, 429505), (217, 401795), (493, 176855), (527, 165445), (595, 146537), (815, 106981), (899, 96985), (1015, 85901), (1085, 80359), (1141, 76415), (2465, 35371), (2635, 33089), (2771, 31465), (3451, 25265), (3689, 23635), (4495, 19397), (4727, 18445), (5053, 17255), (5705, 15283), (6293, 13855)]