28503808

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 61221888

約数和(自身を除く): 32718080

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 92, 94, 103, 128, 184, 188, 206, 256, 368, 376, 412, 736, 752, 824, 1081, 1472, 1504, 1648, 2162, 2369, 2944, 3008, 3296, 4324, 4738, 4841, 5888, 6016, 6592, 8648, 9476, 9682, 12032, 13184, 17296, 18952, 19364, 26368, 34592, 37904, 38728, 69184, 75808, 77456, 111343, 138368, 151616, 154912, 222686, 276736, 303232, 309824, 445372, 606464, 619648, 890744, 1239296, 1781488, 3562976, 7125952, 14251904, 28503808]

約数ペア:

[(1, 28503808), (2, 14251904), (4, 7125952), (8, 3562976), (16, 1781488), (23, 1239296), (32, 890744), (46, 619648), (47, 606464), (64, 445372), (92, 309824), (94, 303232), (103, 276736), (128, 222686), (184, 154912), (188, 151616), (206, 138368), (256, 111343), (368, 77456), (376, 75808), (412, 69184), (736, 38728), (752, 37904), (824, 34592), (1081, 26368), (1472, 19364), (1504, 18952), (1648, 17296), (2162, 13184), (2369, 12032), (2944, 9682), (3008, 9476), (3296, 8648), (4324, 6592), (4738, 6016), (4841, 5888)]