221567416

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{18233}}^1$

素因数の和:18284

約数の個数: 48

約数和(自身を含む): 498882240

約数和(自身を除く): 277314824

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1736, 3038, 6076, 12152, 18233, 36466, 72932, 127631, 145864, 255262, 510524, 565223, 893417, 1021048, 1130446, 1786834, 2260892, 3573668, 3956561, 4521784, 7147336, 7913122, 15826244, 27695927, 31652488, 55391854, 110783708, 221567416]

約数ペア:

[(1, 221567416), (2, 110783708), (4, 55391854), (7, 31652488), (8, 27695927), (14, 15826244), (28, 7913122), (31, 7147336), (49, 4521784), (56, 3956561), (62, 3573668), (98, 2260892), (124, 1786834), (196, 1130446), (217, 1021048), (248, 893417), (392, 565223), (434, 510524), (868, 255262), (1519, 145864), (1736, 127631), (3038, 72932), (6076, 36466), (12152, 18233)]