128438912

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4943}}^1$

素因数の和:4993

約数の個数: 64

約数和(自身を含む): 302572800

約数和(自身を除く): 174133888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 812, 896, 928, 1624, 1856, 3248, 3712, 4943, 6496, 9886, 12992, 19772, 25984, 34601, 39544, 69202, 79088, 138404, 143347, 158176, 276808, 286694, 316352, 553616, 573388, 632704, 1003429, 1107232, 1146776, 2006858, 2214464, 2293552, 4013716, 4428928, 4587104, 8027432, 9174208, 16054864, 18348416, 32109728, 64219456, 128438912]

約数ペア:

[(1, 128438912), (2, 64219456), (4, 32109728), (7, 18348416), (8, 16054864), (14, 9174208), (16, 8027432), (28, 4587104), (29, 4428928), (32, 4013716), (56, 2293552), (58, 2214464), (64, 2006858), (112, 1146776), (116, 1107232), (128, 1003429), (203, 632704), (224, 573388), (232, 553616), (406, 316352), (448, 286694), (464, 276808), (812, 158176), (896, 143347), (928, 138404), (1624, 79088), (1856, 69202), (3248, 39544), (3712, 34601), (4943, 25984), (6496, 19772), (9886, 12992)]