637478718

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{29423}}^1$

素因数の和:29608

約数の個数: 32

約数和(自身を含む): 1338909696

約数和(自身を除く): 701430978

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157, 314, 471, 942, 3611, 7222, 10833, 21666, 29423, 58846, 88269, 176538, 676729, 1353458, 2030187, 4060374, 4619411, 9238822, 13858233, 27716466, 106246453, 212492906, 318739359, 637478718]

約数ペア:

[(1, 637478718), (2, 318739359), (3, 212492906), (6, 106246453), (23, 27716466), (46, 13858233), (69, 9238822), (138, 4619411), (157, 4060374), (314, 2030187), (471, 1353458), (942, 676729), (3611, 176538), (7222, 88269), (10833, 58846), (21666, 29423)]