1638028448

素因数分解:

$2^5\times 7^2\times {\mathrm{211}}^1\times {\mathrm{4951}}^1$

素因数の和:5186

約数の個数: 72

約数和(自身を含む): 3769917984

約数和(自身を除く): 2131889536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 211, 224, 392, 422, 784, 844, 1477, 1568, 1688, 2954, 3376, 4951, 5908, 6752, 9902, 10339, 11816, 19804, 20678, 23632, 34657, 39608, 41356, 47264, 69314, 79216, 82712, 138628, 158432, 165424, 242599, 277256, 330848, 485198, 554512, 970396, 1044661, 1109024, 1940792, 2089322, 3881584, 4178644, 7312627, 7763168, 8357288, 14625254, 16714576, 29250508, 33429152, 51188389, 58501016, 102376778, 117002032, 204753556, 234004064, 409507112, 819014224, 1638028448]

約数ペア:

[(1, 1638028448), (2, 819014224), (4, 409507112), (7, 234004064), (8, 204753556), (14, 117002032), (16, 102376778), (28, 58501016), (32, 51188389), (49, 33429152), (56, 29250508), (98, 16714576), (112, 14625254), (196, 8357288), (211, 7763168), (224, 7312627), (392, 4178644), (422, 3881584), (784, 2089322), (844, 1940792), (1477, 1109024), (1568, 1044661), (1688, 970396), (2954, 554512), (3376, 485198), (4951, 330848), (5908, 277256), (6752, 242599), (9902, 165424), (10339, 158432), (11816, 138628), (19804, 82712), (20678, 79216), (23632, 69314), (34657, 47264), (39608, 41356)]