721000768

素因数分解:

$2^6\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{2417}}^1$

素因数の和:2567

約数の個数: 56

約数和(自身を含む): 1474012800

約数和(自身を除く): 753012032

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 79, 118, 158, 236, 316, 472, 632, 944, 1264, 1888, 2417, 2528, 3776, 4661, 4834, 5056, 9322, 9668, 18644, 19336, 37288, 38672, 74576, 77344, 142603, 149152, 154688, 190943, 285206, 298304, 381886, 570412, 763772, 1140824, 1527544, 2281648, 3055088, 4563296, 6110176, 9126592, 11265637, 12220352, 22531274, 45062548, 90125096, 180250192, 360500384, 721000768]

約数ペア:

[(1, 721000768), (2, 360500384), (4, 180250192), (8, 90125096), (16, 45062548), (32, 22531274), (59, 12220352), (64, 11265637), (79, 9126592), (118, 6110176), (158, 4563296), (236, 3055088), (316, 2281648), (472, 1527544), (632, 1140824), (944, 763772), (1264, 570412), (1888, 381886), (2417, 298304), (2528, 285206), (3776, 190943), (4661, 154688), (4834, 149152), (5056, 142603), (9322, 77344), (9668, 74576), (18644, 38672), (19336, 37288)]