1958227712

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15391}}^1$

素因数の和:15485

約数の個数: 72

約数和(自身を含む): 4530419712

約数和(自身を除く): 2572192000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 568, 896, 994, 1136, 1792, 1988, 2272, 3976, 4544, 7952, 9088, 15391, 15904, 18176, 30782, 31808, 61564, 63616, 107737, 123128, 127232, 215474, 246256, 430948, 492512, 861896, 985024, 1092761, 1723792, 1970048, 2185522, 3447584, 3940096, 4371044, 6895168, 7649327, 8742088, 13790336, 15298654, 17484176, 27580672, 30597308, 34968352, 61194616, 69936704, 122389232, 139873408, 244778464, 279746816, 489556928, 979113856, 1958227712]

約数ペア:

[(1, 1958227712), (2, 979113856), (4, 489556928), (7, 279746816), (8, 244778464), (14, 139873408), (16, 122389232), (28, 69936704), (32, 61194616), (56, 34968352), (64, 30597308), (71, 27580672), (112, 17484176), (128, 15298654), (142, 13790336), (224, 8742088), (256, 7649327), (284, 6895168), (448, 4371044), (497, 3940096), (568, 3447584), (896, 2185522), (994, 1970048), (1136, 1723792), (1792, 1092761), (1988, 985024), (2272, 861896), (3976, 492512), (4544, 430948), (7952, 246256), (9088, 215474), (15391, 127232), (15904, 123128), (18176, 107737), (30782, 63616), (31808, 61564)]