198721852

素因数分解:

$2^2\times 7^3\times {\mathrm{241}}^1\times {\mathrm{601}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 407915200

約数和(自身を除く): 209193348

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 241, 343, 482, 601, 686, 964, 1202, 1372, 1687, 2404, 3374, 4207, 6748, 8414, 11809, 16828, 23618, 29449, 47236, 58898, 82663, 117796, 144841, 165326, 206143, 289682, 330652, 412286, 579364, 824572, 1013887, 2027774, 4055548, 7097209, 14194418, 28388836, 49680463, 99360926, 198721852]

約数ペア:

[(1, 198721852), (2, 99360926), (4, 49680463), (7, 28388836), (14, 14194418), (28, 7097209), (49, 4055548), (98, 2027774), (196, 1013887), (241, 824572), (343, 579364), (482, 412286), (601, 330652), (686, 289682), (964, 206143), (1202, 165326), (1372, 144841), (1687, 117796), (2404, 82663), (3374, 58898), (4207, 47236), (6748, 29449), (8414, 23618), (11809, 16828)]