13689025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 21427200

約数和(自身を除く): 7738175

約数列:

[1, 5, 7, 19, 23, 25, 35, 95, 115, 133, 161, 175, 179, 437, 475, 575, 665, 805, 895, 1253, 2185, 3059, 3325, 3401, 4025, 4117, 4475, 6265, 10925, 15295, 17005, 20585, 23807, 28819, 31325, 76475, 78223, 85025, 102925, 119035, 144095, 391115, 547561, 595175, 720475, 1955575, 2737805, 13689025]

約数ペア:

[(1, 13689025), (5, 2737805), (7, 1955575), (19, 720475), (23, 595175), (25, 547561), (35, 391115), (95, 144095), (115, 119035), (133, 102925), (161, 85025), (175, 78223), (179, 76475), (437, 31325), (475, 28819), (575, 23807), (665, 20585), (805, 17005), (895, 15295), (1253, 10925), (2185, 6265), (3059, 4475), (3325, 4117), (3401, 4025)]