217668858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 486604800

約数和(自身を除く): 268935942

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 79, 109, 158, 218, 237, 327, 383, 474, 654, 766, 869, 1149, 1199, 1738, 2298, 2398, 2607, 3597, 4213, 5214, 7194, 8426, 8611, 12639, 17222, 25278, 25833, 30257, 41747, 51666, 60514, 83494, 90771, 94721, 125241, 181542, 189442, 250482, 284163, 332827, 459217, 568326, 665654, 918434, 998481, 1377651, 1996962, 2755302, 3298013, 6596026, 9894039, 19788078, 36278143, 72556286, 108834429, 217668858]

約数ペア:

[(1, 217668858), (2, 108834429), (3, 72556286), (6, 36278143), (11, 19788078), (22, 9894039), (33, 6596026), (66, 3298013), (79, 2755302), (109, 1996962), (158, 1377651), (218, 998481), (237, 918434), (327, 665654), (383, 568326), (474, 459217), (654, 332827), (766, 284163), (869, 250482), (1149, 189442), (1199, 181542), (1738, 125241), (2298, 94721), (2398, 90771), (2607, 83494), (3597, 60514), (4213, 51666), (5214, 41747), (7194, 30257), (8426, 25833), (8611, 25278), (12639, 17222)]