8819408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 40

約数和(自身を含む): 18618600

約数和(自身を除く): 9799192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 389, 436, 778, 872, 1417, 1556, 1744, 2834, 3112, 5057, 5668, 6224, 10114, 11336, 20228, 22672, 40456, 42401, 80912, 84802, 169604, 339208, 551213, 678416, 1102426, 2204852, 4409704, 8819408]

約数ペア:

[(1, 8819408), (2, 4409704), (4, 2204852), (8, 1102426), (13, 678416), (16, 551213), (26, 339208), (52, 169604), (104, 84802), (109, 80912), (208, 42401), (218, 40456), (389, 22672), (436, 20228), (778, 11336), (872, 10114), (1417, 6224), (1556, 5668), (1744, 5057), (2834, 3112)]