218013523

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 279078912

約数和(自身を除く): 61065389

約数列:

[1, 7, 13, 41, 71, 91, 287, 497, 533, 823, 923, 2911, 3731, 5761, 6461, 10699, 20377, 33743, 37843, 58433, 74893, 236201, 264901, 409031, 438659, 759629, 2395753, 3070613, 5317403, 16770271, 31144789, 218013523]

約数ペア:

[(1, 218013523), (7, 31144789), (13, 16770271), (41, 5317403), (71, 3070613), (91, 2395753), (287, 759629), (497, 438659), (533, 409031), (823, 264901), (923, 236201), (2911, 74893), (3731, 58433), (5761, 37843), (6461, 33743), (10699, 20377)]