991890848

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{3491}}^1$

素因数の和:4197

約数の個数: 48

約数和(自身を含む): 2106681696

約数和(自身を除く): 1114790848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 683, 1366, 2732, 3491, 5464, 6982, 8879, 10928, 13964, 17758, 21856, 27928, 35516, 45383, 55856, 71032, 90766, 111712, 142064, 181532, 284128, 363064, 726128, 1452256, 2384353, 4768706, 9537412, 19074824, 30996589, 38149648, 61993178, 76299296, 123986356, 247972712, 495945424, 991890848]

約数ペア:

[(1, 991890848), (2, 495945424), (4, 247972712), (8, 123986356), (13, 76299296), (16, 61993178), (26, 38149648), (32, 30996589), (52, 19074824), (104, 9537412), (208, 4768706), (416, 2384353), (683, 1452256), (1366, 726128), (2732, 363064), (3491, 284128), (5464, 181532), (6982, 142064), (8879, 111712), (10928, 90766), (13964, 71032), (17758, 55856), (21856, 45383), (27928, 35516)]