64800355

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 86803200

約数和(自身を除く): 22002845

約数列:

[1, 5, 19, 29, 43, 95, 145, 215, 547, 551, 817, 1247, 2735, 2755, 4085, 6235, 10393, 15863, 23521, 23693, 51965, 79315, 117605, 118465, 301397, 446899, 682109, 1506985, 2234495, 3410545, 12960071, 64800355]

約数ペア:

[(1, 64800355), (5, 12960071), (19, 3410545), (29, 2234495), (43, 1506985), (95, 682109), (145, 446899), (215, 301397), (547, 118465), (551, 117605), (817, 79315), (1247, 51965), (2735, 23693), (2755, 23521), (4085, 15863), (6235, 10393)]