128424764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{40487}}^1$

素因数の和:40565

約数の個数: 24

約数和(自身を含む): 246005088

約数和(自身を除く): 117580324

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 40487, 80974, 161948, 526331, 1052662, 2105324, 2469707, 4939414, 9878828, 32106191, 64212382, 128424764]

約数ペア:

[(1, 128424764), (2, 64212382), (4, 32106191), (13, 9878828), (26, 4939414), (52, 2469707), (61, 2105324), (122, 1052662), (244, 526331), (793, 161948), (1586, 80974), (3172, 40487)]