678470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 1397088

約数和(自身を除く): 718618

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 307, 442, 614, 1105, 1535, 2210, 3070, 3991, 5219, 7982, 10438, 19955, 26095, 39910, 52190, 67847, 135694, 339235, 678470]

約数ペア:

[(1, 678470), (2, 339235), (5, 135694), (10, 67847), (13, 52190), (17, 39910), (26, 26095), (34, 19955), (65, 10438), (85, 7982), (130, 5219), (170, 3991), (221, 3070), (307, 2210), (442, 1535), (614, 1105)]