8507646

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 21980160

約数和(自身を除く): 13472514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 317, 378, 426, 497, 634, 639, 951, 994, 1278, 1491, 1902, 1917, 2219, 2853, 2982, 3834, 4438, 4473, 5706, 6657, 8559, 8946, 13314, 13419, 17118, 19971, 22507, 26838, 39942, 45014, 59913, 67521, 119826, 135042, 157549, 202563, 315098, 405126, 472647, 607689, 945294, 1215378, 1417941, 2835882, 4253823, 8507646]

約数ペア:

[(1, 8507646), (2, 4253823), (3, 2835882), (6, 1417941), (7, 1215378), (9, 945294), (14, 607689), (18, 472647), (21, 405126), (27, 315098), (42, 202563), (54, 157549), (63, 135042), (71, 119826), (126, 67521), (142, 59913), (189, 45014), (213, 39942), (317, 26838), (378, 22507), (426, 19971), (497, 17118), (634, 13419), (639, 13314), (951, 8946), (994, 8559), (1278, 6657), (1491, 5706), (1902, 4473), (1917, 4438), (2219, 3834), (2853, 2982)]