28570278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 68947200

約数和(自身を除く): 40376922

約数列:

[1, 2, 3, 6, 11, 22, 23, 29, 33, 46, 58, 59, 66, 69, 87, 118, 121, 138, 174, 177, 242, 253, 319, 354, 363, 506, 638, 649, 667, 726, 759, 957, 1298, 1334, 1357, 1518, 1711, 1914, 1947, 2001, 2714, 2783, 3422, 3509, 3894, 4002, 4071, 5133, 5566, 7018, 7139, 7337, 8142, 8349, 10266, 10527, 14278, 14674, 14927, 16698, 18821, 21054, 21417, 22011, 29854, 37642, 39353, 42834, 44022, 44781, 56463, 78706, 80707, 89562, 112926, 118059, 161414, 164197, 207031, 236118, 242121, 328394, 414062, 432883, 484242, 492591, 621093, 865766, 985182, 1242186, 1298649, 2597298, 4761713, 9523426, 14285139, 28570278]

約数ペア:

[(1, 28570278), (2, 14285139), (3, 9523426), (6, 4761713), (11, 2597298), (22, 1298649), (23, 1242186), (29, 985182), (33, 865766), (46, 621093), (58, 492591), (59, 484242), (66, 432883), (69, 414062), (87, 328394), (118, 242121), (121, 236118), (138, 207031), (174, 164197), (177, 161414), (242, 118059), (253, 112926), (319, 89562), (354, 80707), (363, 78706), (506, 56463), (638, 44781), (649, 44022), (667, 42834), (726, 39353), (759, 37642), (957, 29854), (1298, 22011), (1334, 21417), (1357, 21054), (1518, 18821), (1711, 16698), (1914, 14927), (1947, 14674), (2001, 14278), (2714, 10527), (2783, 10266), (3422, 8349), (3509, 8142), (3894, 7337), (4002, 7139), (4071, 7018), (5133, 5566)]