28721976

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 78911280

約数和(自身を除く): 50189304

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 51, 68, 82, 101, 102, 123, 136, 164, 202, 204, 246, 289, 303, 328, 404, 408, 492, 578, 606, 697, 808, 867, 984, 1156, 1212, 1394, 1717, 1734, 2091, 2312, 2424, 2788, 3434, 3468, 4141, 4182, 5151, 5576, 6868, 6936, 8282, 8364, 10302, 11849, 12423, 13736, 16564, 16728, 20604, 23698, 24846, 29189, 33128, 35547, 41208, 47396, 49692, 58378, 70397, 71094, 87567, 94792, 99384, 116756, 140794, 142188, 175134, 211191, 233512, 281588, 284376, 350268, 422382, 563176, 700536, 844764, 1196749, 1689528, 2393498, 3590247, 4786996, 7180494, 9573992, 14360988, 28721976]

約数ペア:

[(1, 28721976), (2, 14360988), (3, 9573992), (4, 7180494), (6, 4786996), (8, 3590247), (12, 2393498), (17, 1689528), (24, 1196749), (34, 844764), (41, 700536), (51, 563176), (68, 422382), (82, 350268), (101, 284376), (102, 281588), (123, 233512), (136, 211191), (164, 175134), (202, 142188), (204, 140794), (246, 116756), (289, 99384), (303, 94792), (328, 87567), (404, 71094), (408, 70397), (492, 58378), (578, 49692), (606, 47396), (697, 41208), (808, 35547), (867, 33128), (984, 29189), (1156, 24846), (1212, 23698), (1394, 20604), (1717, 16728), (1734, 16564), (2091, 13736), (2312, 12423), (2424, 11849), (2788, 10302), (3434, 8364), (3468, 8282), (4141, 6936), (4182, 6868), (5151, 5576)]