87985586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 145504128

約数和(自身を除く): 57518542

約数列:

[1, 2, 13, 26, 73, 146, 151, 302, 307, 614, 949, 1898, 1963, 3926, 3991, 7982, 11023, 22046, 22411, 44822, 46357, 92714, 143299, 286598, 291343, 582686, 602641, 1205282, 3384061, 6768122, 43992793, 87985586]

約数ペア:

[(1, 87985586), (2, 43992793), (13, 6768122), (26, 3384061), (73, 1205282), (146, 602641), (151, 582686), (302, 291343), (307, 286598), (614, 143299), (949, 92714), (1898, 46357), (1963, 44822), (3926, 22411), (3991, 22046), (7982, 11023)]