81047008

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 194745600

約数和(自身を除く): 113698592

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 137, 139, 152, 224, 266, 274, 278, 304, 532, 548, 556, 608, 959, 973, 1064, 1096, 1112, 1918, 1946, 2128, 2192, 2224, 2603, 2641, 3836, 3892, 4256, 4384, 4448, 5206, 5282, 7672, 7784, 10412, 10564, 15344, 15568, 18221, 18487, 19043, 20824, 21128, 30688, 31136, 36442, 36974, 38086, 41648, 42256, 72884, 73948, 76172, 83296, 84512, 133301, 145768, 147896, 152344, 266602, 291536, 295792, 304688, 361817, 533204, 583072, 591584, 609376, 723634, 1066408, 1447268, 2132816, 2532719, 2894536, 4265632, 5065438, 5789072, 10130876, 11578144, 20261752, 40523504, 81047008]

約数ペア:

[(1, 81047008), (2, 40523504), (4, 20261752), (7, 11578144), (8, 10130876), (14, 5789072), (16, 5065438), (19, 4265632), (28, 2894536), (32, 2532719), (38, 2132816), (56, 1447268), (76, 1066408), (112, 723634), (133, 609376), (137, 591584), (139, 583072), (152, 533204), (224, 361817), (266, 304688), (274, 295792), (278, 291536), (304, 266602), (532, 152344), (548, 147896), (556, 145768), (608, 133301), (959, 84512), (973, 83296), (1064, 76172), (1096, 73948), (1112, 72884), (1918, 42256), (1946, 41648), (2128, 38086), (2192, 36974), (2224, 36442), (2603, 31136), (2641, 30688), (3836, 21128), (3892, 20824), (4256, 19043), (4384, 18487), (4448, 18221), (5206, 15568), (5282, 15344), (7672, 10564), (7784, 10412)]