16439766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 22958634

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 71, 74, 111, 142, 149, 213, 222, 259, 298, 426, 447, 497, 518, 777, 894, 994, 1043, 1491, 1554, 2086, 2627, 2982, 3129, 5254, 5513, 6258, 7881, 10579, 11026, 15762, 16539, 18389, 21158, 31737, 33078, 36778, 38591, 55167, 63474, 74053, 77182, 110334, 115773, 148106, 222159, 231546, 391423, 444318, 782846, 1174269, 2348538, 2739961, 5479922, 8219883, 16439766]

約数ペア:

[(1, 16439766), (2, 8219883), (3, 5479922), (6, 2739961), (7, 2348538), (14, 1174269), (21, 782846), (37, 444318), (42, 391423), (71, 231546), (74, 222159), (111, 148106), (142, 115773), (149, 110334), (213, 77182), (222, 74053), (259, 63474), (298, 55167), (426, 38591), (447, 36778), (497, 33078), (518, 31737), (777, 21158), (894, 18389), (994, 16539), (1043, 15762), (1491, 11026), (1554, 10579), (2086, 7881), (2627, 6258), (2982, 5513), (3129, 5254)]