66991786

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 106868160

約数和(自身を除く): 39876374

約数列:

[1, 2, 41, 59, 61, 82, 118, 122, 227, 454, 2419, 2501, 3599, 4838, 5002, 7198, 9307, 13393, 13847, 18614, 26786, 27694, 147559, 295118, 549113, 567727, 816973, 1098226, 1135454, 1633946, 33495893, 66991786]

約数ペア:

[(1, 66991786), (2, 33495893), (41, 1633946), (59, 1135454), (61, 1098226), (82, 816973), (118, 567727), (122, 549113), (227, 295118), (454, 147559), (2419, 27694), (2501, 26786), (3599, 18614), (4838, 13847), (5002, 13393), (7198, 9307)]