39912012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 115944192

約数和(自身を除く): 76032180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 502, 631, 753, 1004, 1262, 1506, 1757, 1893, 2259, 2524, 3012, 3514, 3786, 4417, 4518, 5271, 5679, 7028, 7572, 8834, 9036, 10542, 11358, 13251, 15813, 17668, 21084, 22716, 26502, 31626, 39753, 53004, 63252, 79506, 158381, 159012, 316762, 475143, 633524, 950286, 1108667, 1425429, 1900572, 2217334, 2850858, 3326001, 4434668, 5701716, 6652002, 9978003, 13304004, 19956006, 39912012]

約数ペア:

[(1, 39912012), (2, 19956006), (3, 13304004), (4, 9978003), (6, 6652002), (7, 5701716), (9, 4434668), (12, 3326001), (14, 2850858), (18, 2217334), (21, 1900572), (28, 1425429), (36, 1108667), (42, 950286), (63, 633524), (84, 475143), (126, 316762), (251, 159012), (252, 158381), (502, 79506), (631, 63252), (753, 53004), (1004, 39753), (1262, 31626), (1506, 26502), (1757, 22716), (1893, 21084), (2259, 17668), (2524, 15813), (3012, 13251), (3514, 11358), (3786, 10542), (4417, 9036), (4518, 8834), (5271, 7572), (5679, 7028)]