81419008

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1053

約数の個数: 72

約数和(自身を含む): 183592080

約数和(自身を除く): 102173072

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 256, 319, 352, 464, 638, 704, 928, 997, 1276, 1408, 1856, 1994, 2552, 2816, 3712, 3988, 5104, 7424, 7976, 10208, 10967, 15952, 20416, 21934, 28913, 31904, 40832, 43868, 57826, 63808, 81664, 87736, 115652, 127616, 175472, 231304, 255232, 318043, 350944, 462608, 636086, 701888, 925216, 1272172, 1403776, 1850432, 2544344, 2807552, 3700864, 5088688, 7401728, 10177376, 20354752, 40709504, 81419008]

約数ペア:

[(1, 81419008), (2, 40709504), (4, 20354752), (8, 10177376), (11, 7401728), (16, 5088688), (22, 3700864), (29, 2807552), (32, 2544344), (44, 1850432), (58, 1403776), (64, 1272172), (88, 925216), (116, 701888), (128, 636086), (176, 462608), (232, 350944), (256, 318043), (319, 255232), (352, 231304), (464, 175472), (638, 127616), (704, 115652), (928, 87736), (997, 81664), (1276, 63808), (1408, 57826), (1856, 43868), (1994, 40832), (2552, 31904), (2816, 28913), (3712, 21934), (3988, 20416), (5104, 15952), (7424, 10967), (7976, 10208)]