72804368

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1672

約数の個数: 80

約数和(自身を含む): 179321856

約数和(自身を除く): 106517488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1613, 1736, 2821, 3224, 3226, 3472, 5642, 6448, 6452, 11284, 11291, 12904, 20969, 22568, 22582, 25808, 41938, 45136, 45164, 50003, 83876, 90328, 100006, 146783, 167752, 180656, 200012, 293566, 335504, 350021, 400024, 587132, 650039, 700042, 800048, 1174264, 1300078, 1400084, 2348528, 2600156, 2800168, 4550273, 5200312, 5600336, 9100546, 10400624, 18201092, 36402184, 72804368]

約数ペア:

[(1, 72804368), (2, 36402184), (4, 18201092), (7, 10400624), (8, 9100546), (13, 5600336), (14, 5200312), (16, 4550273), (26, 2800168), (28, 2600156), (31, 2348528), (52, 1400084), (56, 1300078), (62, 1174264), (91, 800048), (104, 700042), (112, 650039), (124, 587132), (182, 400024), (208, 350021), (217, 335504), (248, 293566), (364, 200012), (403, 180656), (434, 167752), (496, 146783), (728, 100006), (806, 90328), (868, 83876), (1456, 50003), (1612, 45164), (1613, 45136), (1736, 41938), (2821, 25808), (3224, 22582), (3226, 22568), (3472, 20969), (5642, 12904), (6448, 11291), (6452, 11284)]