81597208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4273}}^1$

素因数の和:4328

約数の個数: 64

約数和(自身を含む): 196945920

約数和(自身を除く): 115348712

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1364, 1736, 2387, 2728, 4273, 4774, 8546, 9548, 17092, 19096, 29911, 34184, 47003, 59822, 94006, 119644, 132463, 188012, 239288, 264926, 329021, 376024, 529852, 658042, 927241, 1059704, 1316084, 1457093, 1854482, 2632168, 2914186, 3708964, 5828372, 7417928, 10199651, 11656744, 20399302, 40798604, 81597208]

約数ペア:

[(1, 81597208), (2, 40798604), (4, 20399302), (7, 11656744), (8, 10199651), (11, 7417928), (14, 5828372), (22, 3708964), (28, 2914186), (31, 2632168), (44, 1854482), (56, 1457093), (62, 1316084), (77, 1059704), (88, 927241), (124, 658042), (154, 529852), (217, 376024), (248, 329021), (308, 264926), (341, 239288), (434, 188012), (616, 132463), (682, 119644), (868, 94006), (1364, 59822), (1736, 47003), (2387, 34184), (2728, 29911), (4273, 19096), (4774, 17092), (8546, 9548)]