12721408

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 30087680

約数和(自身を除く): 17366272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 229, 248, 256, 434, 448, 458, 496, 868, 896, 916, 992, 1603, 1736, 1792, 1832, 1984, 3206, 3472, 3664, 3968, 6412, 6944, 7099, 7328, 7936, 12824, 13888, 14198, 14656, 25648, 27776, 28396, 29312, 49693, 51296, 55552, 56792, 58624, 99386, 102592, 113584, 198772, 205184, 227168, 397544, 410368, 454336, 795088, 908672, 1590176, 1817344, 3180352, 6360704, 12721408]

約数ペア:

[(1, 12721408), (2, 6360704), (4, 3180352), (7, 1817344), (8, 1590176), (14, 908672), (16, 795088), (28, 454336), (31, 410368), (32, 397544), (56, 227168), (62, 205184), (64, 198772), (112, 113584), (124, 102592), (128, 99386), (217, 58624), (224, 56792), (229, 55552), (248, 51296), (256, 49693), (434, 29312), (448, 28396), (458, 27776), (496, 25648), (868, 14656), (896, 14198), (916, 13888), (992, 12824), (1603, 7936), (1736, 7328), (1792, 7099), (1832, 6944), (1984, 6412), (3206, 3968), (3472, 3664)]