215423635

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 323979264

約数和(自身を除く): 108555629

約数列:

[1, 5, 7, 23, 35, 41, 61, 107, 115, 161, 205, 287, 305, 427, 535, 749, 805, 943, 1403, 1435, 2135, 2461, 2501, 3745, 4387, 4715, 6527, 6601, 7015, 9821, 12305, 12505, 17227, 17507, 21935, 30709, 32635, 33005, 45689, 49105, 57523, 86135, 87535, 100901, 150121, 153545, 228445, 267607, 287615, 402661, 504505, 706307, 750605, 1050847, 1338035, 1873249, 2013305, 3531535, 5254235, 6154961, 9366245, 30774805, 43084727, 215423635]

約数ペア:

[(1, 215423635), (5, 43084727), (7, 30774805), (23, 9366245), (35, 6154961), (41, 5254235), (61, 3531535), (107, 2013305), (115, 1873249), (161, 1338035), (205, 1050847), (287, 750605), (305, 706307), (427, 504505), (535, 402661), (749, 287615), (805, 267607), (943, 228445), (1403, 153545), (1435, 150121), (2135, 100901), (2461, 87535), (2501, 86135), (3745, 57523), (4387, 49105), (4715, 45689), (6527, 33005), (6601, 32635), (7015, 30709), (9821, 21935), (12305, 17507), (12505, 17227)]