9780454786

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{467}}^1\times {\mathrm{521}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 14950915200

約数和(自身を除く): 5170460414

約数列:

[1, 2, 101, 199, 202, 398, 467, 521, 934, 1042, 20099, 40198, 47167, 52621, 92933, 94334, 103679, 105242, 185866, 207358, 243307, 486614, 9386233, 10471579, 18772466, 20943158, 24574007, 48418093, 49148014, 96836186, 4890227393, 9780454786]

約数ペア:

[(1, 9780454786), (2, 4890227393), (101, 96836186), (199, 49148014), (202, 48418093), (398, 24574007), (467, 20943158), (521, 18772466), (934, 10471579), (1042, 9386233), (20099, 486614), (40198, 243307), (47167, 207358), (52621, 185866), (92933, 105242), (94334, 103679)]