1781570556

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{1571}}^1$

素因数の和:1724

約数の個数: 108

約数和(自身を含む): 4830866040

約数和(自身を除く): 3049295484

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 109, 153, 204, 218, 289, 306, 327, 436, 578, 612, 654, 867, 981, 1156, 1308, 1571, 1734, 1853, 1962, 2601, 3142, 3468, 3706, 3924, 4713, 5202, 5559, 6284, 7412, 9426, 10404, 11118, 14139, 16677, 18852, 22236, 26707, 28278, 31501, 33354, 53414, 56556, 63002, 66708, 80121, 94503, 106828, 126004, 160242, 171239, 189006, 240363, 283509, 320484, 342478, 378012, 454019, 480726, 513717, 567018, 684956, 908038, 961452, 1027434, 1134036, 1362057, 1541151, 1816076, 2054868, 2724114, 2911063, 3082302, 4086171, 5448228, 5822126, 6164604, 8172342, 8733189, 11644252, 16344684, 17466378, 26199567, 34932756, 49488071, 52399134, 98976142, 104798268, 148464213, 197952284, 296928426, 445392639, 593856852, 890785278, 1781570556]

約数ペア:

[(1, 1781570556), (2, 890785278), (3, 593856852), (4, 445392639), (6, 296928426), (9, 197952284), (12, 148464213), (17, 104798268), (18, 98976142), (34, 52399134), (36, 49488071), (51, 34932756), (68, 26199567), (102, 17466378), (109, 16344684), (153, 11644252), (204, 8733189), (218, 8172342), (289, 6164604), (306, 5822126), (327, 5448228), (436, 4086171), (578, 3082302), (612, 2911063), (654, 2724114), (867, 2054868), (981, 1816076), (1156, 1541151), (1308, 1362057), (1571, 1134036), (1734, 1027434), (1853, 961452), (1962, 908038), (2601, 684956), (3142, 567018), (3468, 513717), (3706, 480726), (3924, 454019), (4713, 378012), (5202, 342478), (5559, 320484), (6284, 283509), (7412, 240363), (9426, 189006), (10404, 171239), (11118, 160242), (14139, 126004), (16677, 106828), (18852, 94503), (22236, 80121), (26707, 66708), (28278, 63002), (31501, 56556), (33354, 53414)]