28179640832

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{253633}}^1$

素因数の和:253689

約数の個数: 80

約数和(自身を含む): 66423700992

約数和(自身を除く): 38244060160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1736, 1792, 1984, 3472, 3584, 3968, 6944, 7936, 13888, 15872, 27776, 55552, 111104, 253633, 507266, 1014532, 1775431, 2029064, 3550862, 4058128, 7101724, 7862623, 8116256, 14203448, 15725246, 16232512, 28406896, 31450492, 32465024, 55038361, 56813792, 62900984, 64930048, 110076722, 113627584, 125801968, 129860096, 220153444, 227255168, 251603936, 440306888, 454510336, 503207872, 880613776, 909020672, 1006415744, 1761227552, 2012831488, 3522455104, 4025662976, 7044910208, 14089820416, 28179640832]

約数ペア:

[(1, 28179640832), (2, 14089820416), (4, 7044910208), (7, 4025662976), (8, 3522455104), (14, 2012831488), (16, 1761227552), (28, 1006415744), (31, 909020672), (32, 880613776), (56, 503207872), (62, 454510336), (64, 440306888), (112, 251603936), (124, 227255168), (128, 220153444), (217, 129860096), (224, 125801968), (248, 113627584), (256, 110076722), (434, 64930048), (448, 62900984), (496, 56813792), (512, 55038361), (868, 32465024), (896, 31450492), (992, 28406896), (1736, 16232512), (1792, 15725246), (1984, 14203448), (3472, 8116256), (3584, 7862623), (3968, 7101724), (6944, 4058128), (7936, 3550862), (13888, 2029064), (15872, 1775431), (27776, 1014532), (55552, 507266), (111104, 253633)]