247938404

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{8539}}^1$

素因数の和:8628

約数の個数: 48

約数和(自身を含む): 533715840

約数和(自身を除く): 285777436

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 119, 122, 238, 244, 427, 476, 854, 1037, 1708, 2074, 4148, 7259, 8539, 14518, 17078, 29036, 34156, 59773, 119546, 145163, 239092, 290326, 520879, 580652, 1016141, 1041758, 2032282, 2083516, 3646153, 4064564, 7292306, 8854943, 14584612, 17709886, 35419772, 61984601, 123969202, 247938404]

約数ペア:

[(1, 247938404), (2, 123969202), (4, 61984601), (7, 35419772), (14, 17709886), (17, 14584612), (28, 8854943), (34, 7292306), (61, 4064564), (68, 3646153), (119, 2083516), (122, 2032282), (238, 1041758), (244, 1016141), (427, 580652), (476, 520879), (854, 290326), (1037, 239092), (1708, 145163), (2074, 119546), (4148, 59773), (7259, 34156), (8539, 29036), (14518, 17078)]