128977912

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2221}}^1$

素因数の和:2312

約数の個数: 64

約数和(自身を含む): 297570240

約数和(自身を除く): 168592328

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 61, 68, 119, 122, 136, 238, 244, 427, 476, 488, 854, 952, 1037, 1708, 2074, 2221, 3416, 4148, 4442, 7259, 8296, 8884, 14518, 15547, 17768, 29036, 31094, 37757, 58072, 62188, 75514, 124376, 135481, 151028, 264299, 270962, 302056, 528598, 541924, 948367, 1057196, 1083848, 1896734, 2114392, 2303177, 3793468, 4606354, 7586936, 9212708, 16122239, 18425416, 32244478, 64488956, 128977912]

約数ペア:

[(1, 128977912), (2, 64488956), (4, 32244478), (7, 18425416), (8, 16122239), (14, 9212708), (17, 7586936), (28, 4606354), (34, 3793468), (56, 2303177), (61, 2114392), (68, 1896734), (119, 1083848), (122, 1057196), (136, 948367), (238, 541924), (244, 528598), (427, 302056), (476, 270962), (488, 264299), (854, 151028), (952, 135481), (1037, 124376), (1708, 75514), (2074, 62188), (2221, 58072), (3416, 37757), (4148, 31094), (4442, 29036), (7259, 17768), (8296, 15547), (8884, 14518)]