28149488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 61900800

約数和(自身を除く): 33751312

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 38, 58, 62, 76, 103, 116, 124, 152, 206, 232, 248, 304, 412, 464, 496, 551, 589, 824, 899, 1102, 1178, 1648, 1798, 1957, 2204, 2356, 2987, 3193, 3596, 3914, 4408, 4712, 5974, 6386, 7192, 7828, 8816, 9424, 11948, 12772, 14384, 15656, 17081, 23896, 25544, 31312, 34162, 47792, 51088, 56753, 60667, 68324, 92597, 113506, 121334, 136648, 185194, 227012, 242668, 273296, 370388, 454024, 485336, 740776, 908048, 970672, 1481552, 1759343, 3518686, 7037372, 14074744, 28149488]

約数ペア:

[(1, 28149488), (2, 14074744), (4, 7037372), (8, 3518686), (16, 1759343), (19, 1481552), (29, 970672), (31, 908048), (38, 740776), (58, 485336), (62, 454024), (76, 370388), (103, 273296), (116, 242668), (124, 227012), (152, 185194), (206, 136648), (232, 121334), (248, 113506), (304, 92597), (412, 68324), (464, 60667), (496, 56753), (551, 51088), (589, 47792), (824, 34162), (899, 31312), (1102, 25544), (1178, 23896), (1648, 17081), (1798, 15656), (1957, 14384), (2204, 12772), (2356, 11948), (2987, 9424), (3193, 8816), (3596, 7828), (3914, 7192), (4408, 6386), (4712, 5974)]