2980278

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 72

約数和(自身を含む): 7824960

約数和(自身を除く): 4844682

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 109, 126, 147, 186, 217, 218, 279, 294, 327, 434, 441, 558, 651, 654, 763, 882, 981, 1302, 1519, 1526, 1953, 1962, 2289, 3038, 3379, 3906, 4557, 4578, 5341, 6758, 6867, 9114, 10137, 10682, 13671, 13734, 16023, 20274, 23653, 27342, 30411, 32046, 47306, 48069, 60822, 70959, 96138, 141918, 165571, 212877, 331142, 425754, 496713, 993426, 1490139, 2980278]

約数ペア:

[(1, 2980278), (2, 1490139), (3, 993426), (6, 496713), (7, 425754), (9, 331142), (14, 212877), (18, 165571), (21, 141918), (31, 96138), (42, 70959), (49, 60822), (62, 48069), (63, 47306), (93, 32046), (98, 30411), (109, 27342), (126, 23653), (147, 20274), (186, 16023), (217, 13734), (218, 13671), (279, 10682), (294, 10137), (327, 9114), (434, 6867), (441, 6758), (558, 5341), (651, 4578), (654, 4557), (763, 3906), (882, 3379), (981, 3038), (1302, 2289), (1519, 1962), (1526, 1953)]