1278889472

素因数分解:

$2^9\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3533}}^1$

素因数の和:3659

約数の個数: 80

約数和(自身を含む): 2950070112

約数和(自身を除く): 1671180640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 128, 202, 224, 256, 404, 448, 512, 707, 808, 896, 1414, 1616, 1792, 2828, 3232, 3533, 3584, 5656, 6464, 7066, 11312, 12928, 14132, 22624, 24731, 25856, 28264, 45248, 49462, 51712, 56528, 90496, 98924, 113056, 180992, 197848, 226112, 356833, 361984, 395696, 452224, 713666, 791392, 904448, 1427332, 1582784, 1808896, 2497831, 2854664, 3165568, 4995662, 5709328, 6331136, 9991324, 11418656, 12662272, 19982648, 22837312, 39965296, 45674624, 79930592, 91349248, 159861184, 182698496, 319722368, 639444736, 1278889472]

約数ペア:

[(1, 1278889472), (2, 639444736), (4, 319722368), (7, 182698496), (8, 159861184), (14, 91349248), (16, 79930592), (28, 45674624), (32, 39965296), (56, 22837312), (64, 19982648), (101, 12662272), (112, 11418656), (128, 9991324), (202, 6331136), (224, 5709328), (256, 4995662), (404, 3165568), (448, 2854664), (512, 2497831), (707, 1808896), (808, 1582784), (896, 1427332), (1414, 904448), (1616, 791392), (1792, 713666), (2828, 452224), (3232, 395696), (3533, 361984), (3584, 356833), (5656, 226112), (6464, 197848), (7066, 180992), (11312, 113056), (12928, 98924), (14132, 90496), (22624, 56528), (24731, 51712), (25856, 49462), (28264, 45248)]