1957139968

素因数分解:

$2^9\times 7^2\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 120

約数和(自身を含む): 4584644064

約数和(自身を除く): 2627504096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 181, 196, 224, 256, 362, 392, 431, 448, 512, 724, 784, 862, 896, 1267, 1448, 1568, 1724, 1792, 2534, 2896, 3017, 3136, 3448, 3584, 5068, 5792, 6034, 6272, 6896, 8869, 10136, 11584, 12068, 12544, 13792, 17738, 20272, 21119, 23168, 24136, 25088, 27584, 35476, 40544, 42238, 46336, 48272, 55168, 70952, 78011, 81088, 84476, 92672, 96544, 110336, 141904, 156022, 162176, 168952, 193088, 220672, 283808, 312044, 324352, 337904, 386176, 546077, 567616, 624088, 648704, 675808, 772352, 1092154, 1135232, 1248176, 1351616, 1544704, 2184308, 2270464, 2496352, 2703232, 3822539, 4368616, 4540928, 4992704, 5406464, 7645078, 8737232, 9985408, 10812928, 15290156, 17474464, 19970816, 30580312, 34948928, 39941632, 61160624, 69897856, 122321248, 139795712, 244642496, 279591424, 489284992, 978569984, 1957139968]

約数ペア:

[(1, 1957139968), (2, 978569984), (4, 489284992), (7, 279591424), (8, 244642496), (14, 139795712), (16, 122321248), (28, 69897856), (32, 61160624), (49, 39941632), (56, 34948928), (64, 30580312), (98, 19970816), (112, 17474464), (128, 15290156), (181, 10812928), (196, 9985408), (224, 8737232), (256, 7645078), (362, 5406464), (392, 4992704), (431, 4540928), (448, 4368616), (512, 3822539), (724, 2703232), (784, 2496352), (862, 2270464), (896, 2184308), (1267, 1544704), (1448, 1351616), (1568, 1248176), (1724, 1135232), (1792, 1092154), (2534, 772352), (2896, 675808), (3017, 648704), (3136, 624088), (3448, 567616), (3584, 546077), (5068, 386176), (5792, 337904), (6034, 324352), (6272, 312044), (6896, 283808), (8869, 220672), (10136, 193088), (11584, 168952), (12068, 162176), (12544, 156022), (13792, 141904), (17738, 110336), (20272, 96544), (21119, 92672), (23168, 84476), (24136, 81088), (25088, 78011), (27584, 70952), (35476, 55168), (40544, 48272), (42238, 46336)]