123305478

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{2221}}^1$

素因数の和:2732

約数の個数: 32

約数和(自身を含む): 260240640

約数和(自身を除く): 136935162

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 487, 974, 1461, 2221, 2922, 4442, 6663, 9253, 13326, 18506, 27759, 42199, 55518, 84398, 126597, 253194, 1081627, 2163254, 3244881, 6489762, 20550913, 41101826, 61652739, 123305478]

約数ペア:

[(1, 123305478), (2, 61652739), (3, 41101826), (6, 20550913), (19, 6489762), (38, 3244881), (57, 2163254), (114, 1081627), (487, 253194), (974, 126597), (1461, 84398), (2221, 55518), (2922, 42199), (4442, 27759), (6663, 18506), (9253, 13326)]