31018650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15907}}^1$

素因数の和:15935

約数の個数: 48

約数和(自身を含む): 82848864

約数和(自身を除く): 51830214

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 15907, 31814, 47721, 79535, 95442, 159070, 206791, 238605, 397675, 413582, 477210, 620373, 795350, 1033955, 1193025, 1240746, 2067910, 2386050, 3101865, 5169775, 6203730, 10339550, 15509325, 31018650]

約数ペア:

[(1, 31018650), (2, 15509325), (3, 10339550), (5, 6203730), (6, 5169775), (10, 3101865), (13, 2386050), (15, 2067910), (25, 1240746), (26, 1193025), (30, 1033955), (39, 795350), (50, 620373), (65, 477210), (75, 413582), (78, 397675), (130, 238605), (150, 206791), (195, 159070), (325, 95442), (390, 79535), (650, 47721), (975, 31814), (1950, 15907)]