1396709888

素因数分解:

$2^9\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4933}}^1$

素因数の和:5037

約数の個数: 80

約数和(自身を含む): 3230388480

約数和(自身を除く): 1833678592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 512, 553, 632, 896, 1106, 1264, 1792, 2212, 2528, 3584, 4424, 4933, 5056, 8848, 9866, 10112, 17696, 19732, 20224, 34531, 35392, 39464, 40448, 69062, 70784, 78928, 138124, 141568, 157856, 276248, 283136, 315712, 389707, 552496, 631424, 779414, 1104992, 1262848, 1558828, 2209984, 2525696, 2727949, 3117656, 4419968, 5455898, 6235312, 8839936, 10911796, 12470624, 17679872, 21823592, 24941248, 43647184, 49882496, 87294368, 99764992, 174588736, 199529984, 349177472, 698354944, 1396709888]

約数ペア:

[(1, 1396709888), (2, 698354944), (4, 349177472), (7, 199529984), (8, 174588736), (14, 99764992), (16, 87294368), (28, 49882496), (32, 43647184), (56, 24941248), (64, 21823592), (79, 17679872), (112, 12470624), (128, 10911796), (158, 8839936), (224, 6235312), (256, 5455898), (316, 4419968), (448, 3117656), (512, 2727949), (553, 2525696), (632, 2209984), (896, 1558828), (1106, 1262848), (1264, 1104992), (1792, 779414), (2212, 631424), (2528, 552496), (3584, 389707), (4424, 315712), (4933, 283136), (5056, 276248), (8848, 157856), (9866, 141568), (10112, 138124), (17696, 78928), (19732, 70784), (20224, 69062), (34531, 40448), (35392, 39464)]