221409664

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8521}}^1$

素因数の和:8571

約数の個数: 64

約数和(自身を含む): 521546400

約数和(自身を除く): 300136736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 812, 896, 928, 1624, 1856, 3248, 3712, 6496, 8521, 12992, 17042, 25984, 34084, 59647, 68168, 119294, 136336, 238588, 247109, 272672, 477176, 494218, 545344, 954352, 988436, 1090688, 1729763, 1908704, 1976872, 3459526, 3817408, 3953744, 6919052, 7634816, 7907488, 13838104, 15814976, 27676208, 31629952, 55352416, 110704832, 221409664]

約数ペア:

[(1, 221409664), (2, 110704832), (4, 55352416), (7, 31629952), (8, 27676208), (14, 15814976), (16, 13838104), (28, 7907488), (29, 7634816), (32, 6919052), (56, 3953744), (58, 3817408), (64, 3459526), (112, 1976872), (116, 1908704), (128, 1729763), (203, 1090688), (224, 988436), (232, 954352), (406, 545344), (448, 494218), (464, 477176), (812, 272672), (896, 247109), (928, 238588), (1624, 136336), (1856, 119294), (3248, 68168), (3712, 59647), (6496, 34084), (8521, 25984), (12992, 17042)]