28347848

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 59400000

約数和(自身を除く): 31052152

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 59, 76, 109, 116, 118, 152, 218, 232, 236, 436, 472, 551, 872, 1102, 1121, 1711, 2071, 2204, 2242, 3161, 3422, 4142, 4408, 4484, 6322, 6431, 6844, 8284, 8968, 12644, 12862, 13688, 16568, 25288, 25724, 32509, 51448, 60059, 65018, 120118, 122189, 130036, 186499, 240236, 244378, 260072, 372998, 480472, 488756, 745996, 977512, 1491992, 3543481, 7086962, 14173924, 28347848]

約数ペア:

[(1, 28347848), (2, 14173924), (4, 7086962), (8, 3543481), (19, 1491992), (29, 977512), (38, 745996), (58, 488756), (59, 480472), (76, 372998), (109, 260072), (116, 244378), (118, 240236), (152, 186499), (218, 130036), (232, 122189), (236, 120118), (436, 65018), (472, 60059), (551, 51448), (872, 32509), (1102, 25724), (1121, 25288), (1711, 16568), (2071, 13688), (2204, 12862), (2242, 12644), (3161, 8968), (3422, 8284), (4142, 6844), (4408, 6431), (4484, 6322)]