128984366

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{42457}}^1$

素因数の和:42504

約数の個数: 24

約数和(自身を含む): 232330176

約数和(自身を除く): 103345810

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 42457, 84914, 297199, 594398, 1316167, 2080393, 2632334, 4160786, 9213169, 18426338, 64492183, 128984366]

約数ペア:

[(1, 128984366), (2, 64492183), (7, 18426338), (14, 9213169), (31, 4160786), (49, 2632334), (62, 2080393), (98, 1316167), (217, 594398), (434, 297199), (1519, 84914), (3038, 42457)]