81463424

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 199756800

約数和(自身を除く): 118293376

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 59, 64, 67, 92, 112, 118, 128, 134, 161, 184, 224, 236, 268, 322, 368, 413, 448, 469, 472, 536, 644, 736, 826, 896, 938, 944, 1072, 1288, 1357, 1472, 1541, 1652, 1876, 1888, 2144, 2576, 2714, 2944, 3082, 3304, 3752, 3776, 3953, 4288, 5152, 5428, 6164, 6608, 7504, 7552, 7906, 8576, 9499, 10304, 10787, 10856, 12328, 13216, 15008, 15812, 18998, 20608, 21574, 21712, 24656, 26432, 27671, 30016, 31624, 37996, 43148, 43424, 49312, 52864, 55342, 60032, 63248, 75992, 86296, 86848, 90919, 98624, 110684, 126496, 151984, 172592, 173696, 181838, 197248, 221368, 252992, 303968, 345184, 363676, 442736, 505984, 607936, 636433, 690368, 727352, 885472, 1215872, 1272866, 1380736, 1454704, 1770944, 2545732, 2909408, 3541888, 5091464, 5818816, 10182928, 11637632, 20365856, 40731712, 81463424]

約数ペア:

[(1, 81463424), (2, 40731712), (4, 20365856), (7, 11637632), (8, 10182928), (14, 5818816), (16, 5091464), (23, 3541888), (28, 2909408), (32, 2545732), (46, 1770944), (56, 1454704), (59, 1380736), (64, 1272866), (67, 1215872), (92, 885472), (112, 727352), (118, 690368), (128, 636433), (134, 607936), (161, 505984), (184, 442736), (224, 363676), (236, 345184), (268, 303968), (322, 252992), (368, 221368), (413, 197248), (448, 181838), (469, 173696), (472, 172592), (536, 151984), (644, 126496), (736, 110684), (826, 98624), (896, 90919), (938, 86848), (944, 86296), (1072, 75992), (1288, 63248), (1357, 60032), (1472, 55342), (1541, 52864), (1652, 49312), (1876, 43424), (1888, 43148), (2144, 37996), (2576, 31624), (2714, 30016), (2944, 27671), (3082, 26432), (3304, 24656), (3752, 21712), (3776, 21574), (3953, 20608), (4288, 18998), (5152, 15812), (5428, 15008), (6164, 13216), (6608, 12328), (7504, 10856), (7552, 10787), (7906, 10304), (8576, 9499)]