257898396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1283}}^1\times {\mathrm{2393}}^1$

素因数の和:3690

約数の個数: 48

約数和(自身を含む): 688552704

約数和(自身を除く): 430654308

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1283, 2393, 2566, 3849, 4786, 5132, 7179, 7698, 8981, 9572, 14358, 15396, 16751, 17962, 26943, 28716, 33502, 35924, 50253, 53886, 67004, 100506, 107772, 201012, 3070219, 6140438, 9210657, 12280876, 18421314, 21491533, 36842628, 42983066, 64474599, 85966132, 128949198, 257898396]

約数ペア:

[(1, 257898396), (2, 128949198), (3, 85966132), (4, 64474599), (6, 42983066), (7, 36842628), (12, 21491533), (14, 18421314), (21, 12280876), (28, 9210657), (42, 6140438), (84, 3070219), (1283, 201012), (2393, 107772), (2566, 100506), (3849, 67004), (4786, 53886), (5132, 50253), (7179, 35924), (7698, 33502), (8981, 28716), (9572, 26943), (14358, 17962), (15396, 16751)]