404968655

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28711}}^1$

素因数の和:28767

約数の個数: 32

約数和(自身を含む): 617422848

約数和(自身を除く): 212454193

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 14105, 28711, 143555, 200977, 373243, 890041, 1004885, 1866215, 2612701, 4450205, 6230287, 11570533, 13063505, 31151435, 57852665, 80993731, 404968655]

約数ペア:

[(1, 404968655), (5, 80993731), (7, 57852665), (13, 31151435), (31, 13063505), (35, 11570533), (65, 6230287), (91, 4450205), (155, 2612701), (217, 1866215), (403, 1004885), (455, 890041), (1085, 373243), (2015, 200977), (2821, 143555), (14105, 28711)]