405484

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 771120

約数和(自身を除く): 365636

約数列:

[1, 2, 4, 17, 34, 67, 68, 89, 134, 178, 268, 356, 1139, 1513, 2278, 3026, 4556, 5963, 6052, 11926, 23852, 101371, 202742, 405484]

約数ペア:

[(1, 405484), (2, 202742), (4, 101371), (17, 23852), (34, 11926), (67, 6052), (68, 5963), (89, 4556), (134, 3026), (178, 2278), (268, 1513), (356, 1139)]