51819145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 77806080

約数和(自身を除く): 25986935

約数列:

[1, 5, 7, 17, 35, 47, 85, 109, 119, 235, 289, 329, 545, 595, 763, 799, 1445, 1645, 1853, 2023, 3815, 3995, 5123, 5593, 9265, 10115, 12971, 13583, 25615, 27965, 31501, 35861, 64855, 67915, 87091, 95081, 157505, 179305, 220507, 435455, 475405, 609637, 1102535, 1480547, 3048185, 7402735, 10363829, 51819145]

約数ペア:

[(1, 51819145), (5, 10363829), (7, 7402735), (17, 3048185), (35, 1480547), (47, 1102535), (85, 609637), (109, 475405), (119, 435455), (235, 220507), (289, 179305), (329, 157505), (545, 95081), (595, 87091), (763, 67915), (799, 64855), (1445, 35861), (1645, 31501), (1853, 27965), (2023, 25615), (3815, 13583), (3995, 12971), (5123, 10115), (5593, 9265)]