281639408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{9677}}^1$

素因数の和:9809

約数の個数: 40

約数和(自身を含む): 583234992

約数和(自身を除く): 301595584

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 428, 856, 1712, 1819, 3638, 7276, 9677, 14552, 19354, 29104, 38708, 77416, 154832, 164509, 329018, 658036, 1035439, 1316072, 2070878, 2632144, 4141756, 8283512, 16567024, 17602463, 35204926, 70409852, 140819704, 281639408]

約数ペア:

[(1, 281639408), (2, 140819704), (4, 70409852), (8, 35204926), (16, 17602463), (17, 16567024), (34, 8283512), (68, 4141756), (107, 2632144), (136, 2070878), (214, 1316072), (272, 1035439), (428, 658036), (856, 329018), (1712, 164509), (1819, 154832), (3638, 77416), (7276, 38708), (9677, 29104), (14552, 19354)]