28019472

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 79036608

約数和(自身を除く): 51017136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 83, 104, 156, 166, 208, 249, 312, 332, 498, 541, 624, 664, 996, 1079, 1082, 1328, 1623, 1992, 2158, 2164, 3237, 3246, 3984, 4316, 4328, 6474, 6492, 7033, 8632, 8656, 12948, 12984, 14066, 17264, 21099, 25896, 25968, 28132, 42198, 44903, 51792, 56264, 84396, 89806, 112528, 134709, 168792, 179612, 269418, 337584, 359224, 538836, 583739, 718448, 1077672, 1167478, 1751217, 2155344, 2334956, 3502434, 4669912, 7004868, 9339824, 14009736, 28019472]

約数ペア:

[(1, 28019472), (2, 14009736), (3, 9339824), (4, 7004868), (6, 4669912), (8, 3502434), (12, 2334956), (13, 2155344), (16, 1751217), (24, 1167478), (26, 1077672), (39, 718448), (48, 583739), (52, 538836), (78, 359224), (83, 337584), (104, 269418), (156, 179612), (166, 168792), (208, 134709), (249, 112528), (312, 89806), (332, 84396), (498, 56264), (541, 51792), (624, 44903), (664, 42198), (996, 28132), (1079, 25968), (1082, 25896), (1328, 21099), (1623, 17264), (1992, 14066), (2158, 12984), (2164, 12948), (3237, 8656), (3246, 8632), (3984, 7033), (4316, 6492), (4328, 6474)]