51019038

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 131466240

約数和(自身を除く): 80447202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 994, 1278, 1491, 1901, 1917, 2982, 3802, 3834, 4473, 5703, 8946, 11406, 13307, 13419, 17109, 26614, 26838, 34218, 39921, 51327, 79842, 102654, 119763, 134971, 239526, 269942, 359289, 404913, 718578, 809826, 944797, 1214739, 1889594, 2429478, 2834391, 3644217, 5668782, 7288434, 8503173, 17006346, 25509519, 51019038]

約数ペア:

[(1, 51019038), (2, 25509519), (3, 17006346), (6, 8503173), (7, 7288434), (9, 5668782), (14, 3644217), (18, 2834391), (21, 2429478), (27, 1889594), (42, 1214739), (54, 944797), (63, 809826), (71, 718578), (126, 404913), (142, 359289), (189, 269942), (213, 239526), (378, 134971), (426, 119763), (497, 102654), (639, 79842), (994, 51327), (1278, 39921), (1491, 34218), (1901, 26838), (1917, 26614), (2982, 17109), (3802, 13419), (3834, 13307), (4473, 11406), (5703, 8946)]