388660857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{571}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 578113536

約数和(自身を除く): 189452679

約数列:

[1, 3, 13, 31, 39, 93, 403, 563, 571, 1209, 1689, 1713, 7319, 7423, 17453, 17701, 21957, 22269, 52359, 53103, 226889, 230113, 321473, 680667, 690339, 964419, 4179149, 9965663, 12537447, 29896989, 129553619, 388660857]

約数ペア:

[(1, 388660857), (3, 129553619), (13, 29896989), (31, 12537447), (39, 9965663), (93, 4179149), (403, 964419), (563, 690339), (571, 680667), (1209, 321473), (1689, 230113), (1713, 226889), (7319, 53103), (7423, 52359), (17453, 22269), (17701, 21957)]