216892585

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15377}}^1$

素因数の和:15433

約数の個数: 32

約数和(自身を含む): 330688512

約数和(自身を除く): 113795927

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 14105, 15377, 76885, 107639, 199901, 476687, 538195, 999505, 1399307, 2383435, 3336809, 6196931, 6996535, 16684045, 30984655, 43378517, 216892585]

約数ペア:

[(1, 216892585), (5, 43378517), (7, 30984655), (13, 16684045), (31, 6996535), (35, 6196931), (65, 3336809), (91, 2383435), (155, 1399307), (217, 999505), (403, 538195), (455, 476687), (1085, 199901), (2015, 107639), (2821, 76885), (14105, 15377)]