28478928

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 78120000

約数和(自身を除く): 49641072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 41, 48, 58, 82, 87, 116, 123, 164, 174, 232, 246, 328, 348, 464, 492, 499, 656, 696, 984, 998, 1189, 1392, 1497, 1968, 1996, 2378, 2994, 3567, 3992, 4756, 5988, 7134, 7984, 9512, 11976, 14268, 14471, 19024, 20459, 23952, 28536, 28942, 40918, 43413, 57072, 57884, 61377, 81836, 86826, 115768, 122754, 163672, 173652, 231536, 245508, 327344, 347304, 491016, 593311, 694608, 982032, 1186622, 1779933, 2373244, 3559866, 4746488, 7119732, 9492976, 14239464, 28478928]

約数ペア:

[(1, 28478928), (2, 14239464), (3, 9492976), (4, 7119732), (6, 4746488), (8, 3559866), (12, 2373244), (16, 1779933), (24, 1186622), (29, 982032), (41, 694608), (48, 593311), (58, 491016), (82, 347304), (87, 327344), (116, 245508), (123, 231536), (164, 173652), (174, 163672), (232, 122754), (246, 115768), (328, 86826), (348, 81836), (464, 61377), (492, 57884), (499, 57072), (656, 43413), (696, 40918), (984, 28942), (998, 28536), (1189, 23952), (1392, 20459), (1497, 19024), (1968, 14471), (1996, 14268), (2378, 11976), (2994, 9512), (3567, 7984), (3992, 7134), (4756, 5988)]