1221366272

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10993}}^1$

素因数の和:11049

約数の個数: 80

約数和(自身を含む): 2879196672

約数和(自身を除く): 1657830400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1736, 1792, 1984, 3472, 3584, 3968, 6944, 7936, 10993, 13888, 15872, 21986, 27776, 43972, 55552, 76951, 87944, 111104, 153902, 175888, 307804, 340783, 351776, 615608, 681566, 703552, 1231216, 1363132, 1407104, 2385481, 2462432, 2726264, 2814208, 4770962, 4924864, 5452528, 5628416, 9541924, 9849728, 10905056, 19083848, 19699456, 21810112, 38167696, 39398912, 43620224, 76335392, 87240448, 152670784, 174480896, 305341568, 610683136, 1221366272]

約数ペア:

[(1, 1221366272), (2, 610683136), (4, 305341568), (7, 174480896), (8, 152670784), (14, 87240448), (16, 76335392), (28, 43620224), (31, 39398912), (32, 38167696), (56, 21810112), (62, 19699456), (64, 19083848), (112, 10905056), (124, 9849728), (128, 9541924), (217, 5628416), (224, 5452528), (248, 4924864), (256, 4770962), (434, 2814208), (448, 2726264), (496, 2462432), (512, 2385481), (868, 1407104), (896, 1363132), (992, 1231216), (1736, 703552), (1792, 681566), (1984, 615608), (3472, 351776), (3584, 340783), (3968, 307804), (6944, 175888), (7936, 153902), (10993, 111104), (13888, 87944), (15872, 76951), (21986, 55552), (27776, 43972)]