17680624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{509}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 37185120

約数和(自身を除く): 19504496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 509, 668, 1018, 1336, 2036, 2171, 2672, 4072, 4342, 6617, 8144, 8684, 13234, 17368, 26468, 34736, 52936, 85003, 105872, 170006, 340012, 680024, 1105039, 1360048, 2210078, 4420156, 8840312, 17680624]

約数ペア:

[(1, 17680624), (2, 8840312), (4, 4420156), (8, 2210078), (13, 1360048), (16, 1105039), (26, 680024), (52, 340012), (104, 170006), (167, 105872), (208, 85003), (334, 52936), (509, 34736), (668, 26468), (1018, 17368), (1336, 13234), (2036, 8684), (2171, 8144), (2672, 6617), (4072, 4342)]