64974791

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 80424960

約数和(自身を除く): 15450169

約数列:

[1, 7, 31, 41, 67, 109, 217, 287, 469, 763, 1271, 2077, 2747, 3379, 4469, 7303, 8897, 14539, 19229, 23653, 31283, 51121, 85157, 138539, 226393, 299423, 596099, 969773, 1584751, 2095961, 9282113, 64974791]

約数ペア:

[(1, 64974791), (7, 9282113), (31, 2095961), (41, 1584751), (67, 969773), (109, 596099), (217, 299423), (287, 226393), (469, 138539), (763, 85157), (1271, 51121), (2077, 31283), (2747, 23653), (3379, 19229), (4469, 14539), (7303, 8897)]