215384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 462000

約数和(自身を除く): 246616

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 109, 152, 218, 247, 436, 494, 872, 988, 1417, 1976, 2071, 2834, 4142, 5668, 8284, 11336, 16568, 26923, 53846, 107692, 215384]

約数ペア:

[(1, 215384), (2, 107692), (4, 53846), (8, 26923), (13, 16568), (19, 11336), (26, 8284), (38, 5668), (52, 4142), (76, 2834), (104, 2071), (109, 1976), (152, 1417), (218, 988), (247, 872), (436, 494)]