397339984

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{347}}^1\times {\mathrm{1213}}^1$

素因数の和:1627

約数の個数: 40

約数和(自身を含む): 785797920

約数和(自身を除く): 388457936

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 347, 472, 694, 944, 1213, 1388, 2426, 2776, 4852, 5552, 9704, 19408, 20473, 40946, 71567, 81892, 143134, 163784, 286268, 327568, 420911, 572536, 841822, 1145072, 1683644, 3367288, 6734576, 24833749, 49667498, 99334996, 198669992, 397339984]

約数ペア:

[(1, 397339984), (2, 198669992), (4, 99334996), (8, 49667498), (16, 24833749), (59, 6734576), (118, 3367288), (236, 1683644), (347, 1145072), (472, 841822), (694, 572536), (944, 420911), (1213, 327568), (1388, 286268), (2426, 163784), (2776, 143134), (4852, 81892), (5552, 71567), (9704, 40946), (19408, 20473)]