278903968

素因数分解:

$2^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{11423}}^1$

素因数の和:11549

約数の個数: 48

約数和(自身を含む): 633346560

約数和(自身を除く): 354442592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 109, 112, 218, 224, 436, 763, 872, 1526, 1744, 3052, 3488, 6104, 11423, 12208, 22846, 24416, 45692, 79961, 91384, 159922, 182768, 319844, 365536, 639688, 1245107, 1279376, 2490214, 2558752, 4980428, 8715749, 9960856, 17431498, 19921712, 34862996, 39843424, 69725992, 139451984, 278903968]

約数ペア:

[(1, 278903968), (2, 139451984), (4, 69725992), (7, 39843424), (8, 34862996), (14, 19921712), (16, 17431498), (28, 9960856), (32, 8715749), (56, 4980428), (109, 2558752), (112, 2490214), (218, 1279376), (224, 1245107), (436, 639688), (763, 365536), (872, 319844), (1526, 182768), (1744, 159922), (3052, 91384), (3488, 79961), (6104, 45692), (11423, 24416), (12208, 22846)]