890991992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{5743}}^1$

素因数の和:5844

約数の個数: 64

約数和(自身を含む): 1910684160

約数和(自身を除く): 1019692168

約数列:

[1, 2, 4, 8, 11, 22, 41, 43, 44, 82, 86, 88, 164, 172, 328, 344, 451, 473, 902, 946, 1763, 1804, 1892, 3526, 3608, 3784, 5743, 7052, 11486, 14104, 19393, 22972, 38786, 45944, 63173, 77572, 126346, 155144, 235463, 246949, 252692, 470926, 493898, 505384, 941852, 987796, 1883704, 1975592, 2590093, 2716439, 5180186, 5432878, 10124909, 10360372, 10865756, 20249818, 20720744, 21731512, 40499636, 80999272, 111373999, 222747998, 445495996, 890991992]

約数ペア:

[(1, 890991992), (2, 445495996), (4, 222747998), (8, 111373999), (11, 80999272), (22, 40499636), (41, 21731512), (43, 20720744), (44, 20249818), (82, 10865756), (86, 10360372), (88, 10124909), (164, 5432878), (172, 5180186), (328, 2716439), (344, 2590093), (451, 1975592), (473, 1883704), (902, 987796), (946, 941852), (1763, 505384), (1804, 493898), (1892, 470926), (3526, 252692), (3608, 246949), (3784, 235463), (5743, 155144), (7052, 126346), (11486, 77572), (14104, 63173), (19393, 45944), (22972, 38786)]