221129944

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^2\times {\mathrm{587}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 499220820

約数和(自身を除く): 278090876

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 587, 868, 961, 1174, 1519, 1736, 1922, 2348, 3038, 3844, 4109, 4696, 6076, 6727, 7688, 8218, 12152, 13454, 16436, 18197, 26908, 28763, 32872, 36394, 47089, 53816, 57526, 72788, 94178, 115052, 127379, 145576, 188356, 230104, 254758, 376712, 509516, 564107, 891653, 1019032, 1128214, 1783306, 2256428, 3566612, 3948749, 4512856, 7133224, 7897498, 15794996, 27641243, 31589992, 55282486, 110564972, 221129944]

約数ペア:

[(1, 221129944), (2, 110564972), (4, 55282486), (7, 31589992), (8, 27641243), (14, 15794996), (28, 7897498), (31, 7133224), (49, 4512856), (56, 3948749), (62, 3566612), (98, 2256428), (124, 1783306), (196, 1128214), (217, 1019032), (248, 891653), (392, 564107), (434, 509516), (587, 376712), (868, 254758), (961, 230104), (1174, 188356), (1519, 145576), (1736, 127379), (1922, 115052), (2348, 94178), (3038, 72788), (3844, 57526), (4109, 53816), (4696, 47089), (6076, 36394), (6727, 32872), (7688, 28763), (8218, 26908), (12152, 18197), (13454, 16436)]