1279403776

素因数分解:

$2^8\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2281}}^1$

素因数の和:2617

約数の個数: 72

約数和(自身を含む): 2929248224

約数和(自身を除く): 1649844448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 313, 448, 626, 896, 1252, 1792, 2191, 2281, 2504, 4382, 4562, 5008, 8764, 9124, 10016, 15967, 17528, 18248, 20032, 31934, 35056, 36496, 40064, 63868, 70112, 72992, 80128, 127736, 140224, 145984, 255472, 280448, 291968, 510944, 560896, 583936, 713953, 1021888, 1427906, 2043776, 2855812, 4087552, 4997671, 5711624, 9995342, 11423248, 19990684, 22846496, 39981368, 45692992, 79962736, 91385984, 159925472, 182771968, 319850944, 639701888, 1279403776]

約数ペア:

[(1, 1279403776), (2, 639701888), (4, 319850944), (7, 182771968), (8, 159925472), (14, 91385984), (16, 79962736), (28, 45692992), (32, 39981368), (56, 22846496), (64, 19990684), (112, 11423248), (128, 9995342), (224, 5711624), (256, 4997671), (313, 4087552), (448, 2855812), (626, 2043776), (896, 1427906), (1252, 1021888), (1792, 713953), (2191, 583936), (2281, 560896), (2504, 510944), (4382, 291968), (4562, 280448), (5008, 255472), (8764, 145984), (9124, 140224), (10016, 127736), (15967, 80128), (17528, 72992), (18248, 70112), (20032, 63868), (31934, 40064), (35056, 36496)]