28020972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 79905280

約数和(自身を除く): 51884308

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 97, 114, 133, 181, 194, 228, 266, 291, 362, 388, 399, 532, 543, 582, 679, 724, 798, 1086, 1164, 1267, 1358, 1596, 1843, 2037, 2172, 2534, 2716, 3439, 3686, 3801, 4074, 5068, 5529, 6878, 7372, 7602, 8148, 10317, 11058, 12901, 13756, 15204, 17557, 20634, 22116, 24073, 25802, 35114, 38703, 41268, 48146, 51604, 52671, 70228, 72219, 77406, 96292, 105342, 122899, 144438, 154812, 210684, 245798, 288876, 333583, 368697, 491596, 667166, 737394, 1000749, 1334332, 1474788, 2001498, 2335081, 4002996, 4670162, 7005243, 9340324, 14010486, 28020972]

約数ペア:

[(1, 28020972), (2, 14010486), (3, 9340324), (4, 7005243), (6, 4670162), (7, 4002996), (12, 2335081), (14, 2001498), (19, 1474788), (21, 1334332), (28, 1000749), (38, 737394), (42, 667166), (57, 491596), (76, 368697), (84, 333583), (97, 288876), (114, 245798), (133, 210684), (181, 154812), (194, 144438), (228, 122899), (266, 105342), (291, 96292), (362, 77406), (388, 72219), (399, 70228), (532, 52671), (543, 51604), (582, 48146), (679, 41268), (724, 38703), (798, 35114), (1086, 25802), (1164, 24073), (1267, 22116), (1358, 20634), (1596, 17557), (1843, 15204), (2037, 13756), (2172, 12901), (2534, 11058), (2716, 10317), (3439, 8148), (3686, 7602), (3801, 7372), (4074, 6878), (5068, 5529)]