128694448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1213}}^1$

素因数の和:1589

約数の個数: 40

約数和(自身を含む): 263438000

約数和(自身を除く): 134743552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 349, 698, 1213, 1396, 2426, 2792, 4852, 5584, 6631, 9704, 13262, 19408, 23047, 26524, 46094, 53048, 92188, 106096, 184376, 368752, 423337, 846674, 1693348, 3386696, 6773392, 8043403, 16086806, 32173612, 64347224, 128694448]

約数ペア:

[(1, 128694448), (2, 64347224), (4, 32173612), (8, 16086806), (16, 8043403), (19, 6773392), (38, 3386696), (76, 1693348), (152, 846674), (304, 423337), (349, 368752), (698, 184376), (1213, 106096), (1396, 92188), (2426, 53048), (2792, 46094), (4852, 26524), (5584, 23047), (6631, 19408), (9704, 13262)]