30728605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 11261795

約数列:

[1, 5, 17, 19, 53, 85, 95, 265, 323, 359, 901, 1007, 1615, 1795, 4505, 5035, 6103, 6821, 17119, 19027, 30515, 34105, 85595, 95135, 115957, 323459, 361513, 579785, 1617295, 1807565, 6145721, 30728605]

約数ペア:

[(1, 30728605), (5, 6145721), (17, 1807565), (19, 1617295), (53, 579785), (85, 361513), (95, 323459), (265, 115957), (323, 95135), (359, 85595), (901, 34105), (1007, 30515), (1615, 19027), (1795, 17119), (4505, 6821), (5035, 6103)]