217449570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7853}}^1$

素因数の和:7947

約数の個数: 64

約数和(自身を含む): 570011904

約数和(自身を除く): 352562334

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 923, 1065, 1846, 2130, 2769, 4615, 5538, 7853, 9230, 13845, 15706, 23559, 27690, 39265, 47118, 78530, 102089, 117795, 204178, 235590, 306267, 510445, 557563, 612534, 1020890, 1115126, 1531335, 1672689, 2787815, 3062670, 3345378, 5575630, 7248319, 8363445, 14496638, 16726890, 21744957, 36241595, 43489914, 72483190, 108724785, 217449570]

約数ペア:

[(1, 217449570), (2, 108724785), (3, 72483190), (5, 43489914), (6, 36241595), (10, 21744957), (13, 16726890), (15, 14496638), (26, 8363445), (30, 7248319), (39, 5575630), (65, 3345378), (71, 3062670), (78, 2787815), (130, 1672689), (142, 1531335), (195, 1115126), (213, 1020890), (355, 612534), (390, 557563), (426, 510445), (710, 306267), (923, 235590), (1065, 204178), (1846, 117795), (2130, 102089), (2769, 78530), (4615, 47118), (5538, 39265), (7853, 27690), (9230, 23559), (13845, 15706)]