738881470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{21751}}^1$

素因数の和:21880

約数の個数: 32

約数和(自身を含む): 1378206720

約数和(自身を除く): 639325250

約数列:

[1, 2, 5, 10, 43, 79, 86, 158, 215, 395, 430, 790, 3397, 6794, 16985, 21751, 33970, 43502, 108755, 217510, 935293, 1718329, 1870586, 3436658, 4676465, 8591645, 9352930, 17183290, 73888147, 147776294, 369440735, 738881470]

約数ペア:

[(1, 738881470), (2, 369440735), (5, 147776294), (10, 73888147), (43, 17183290), (79, 9352930), (86, 8591645), (158, 4676465), (215, 3436658), (395, 1870586), (430, 1718329), (790, 935293), (3397, 217510), (6794, 108755), (16985, 43502), (21751, 33970)]