205912168

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 510935040

約数和(自身を除く): 305022872

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 41, 44, 56, 62, 77, 82, 88, 124, 154, 164, 217, 248, 263, 287, 308, 328, 341, 434, 451, 526, 574, 616, 682, 868, 902, 1052, 1148, 1271, 1364, 1736, 1804, 1841, 2104, 2296, 2387, 2542, 2728, 2893, 3157, 3608, 3682, 4774, 5084, 5786, 6314, 7364, 8153, 8897, 9548, 10168, 10783, 11572, 12628, 13981, 14728, 16306, 17794, 19096, 20251, 21566, 23144, 25256, 27962, 32612, 35588, 40502, 43132, 55924, 57071, 65224, 71176, 75481, 81004, 86264, 89683, 97867, 111848, 114142, 118613, 150962, 162008, 179366, 195734, 228284, 237226, 301924, 334273, 358732, 391468, 456568, 474452, 603848, 627781, 668546, 717464, 782936, 830291, 948904, 1255562, 1337092, 1660582, 2339911, 2511124, 2674184, 3321164, 3677003, 4679822, 5022248, 6642328, 7354006, 9359644, 14708012, 18719288, 25739021, 29416024, 51478042, 102956084, 205912168]

約数ペア:

[(1, 205912168), (2, 102956084), (4, 51478042), (7, 29416024), (8, 25739021), (11, 18719288), (14, 14708012), (22, 9359644), (28, 7354006), (31, 6642328), (41, 5022248), (44, 4679822), (56, 3677003), (62, 3321164), (77, 2674184), (82, 2511124), (88, 2339911), (124, 1660582), (154, 1337092), (164, 1255562), (217, 948904), (248, 830291), (263, 782936), (287, 717464), (308, 668546), (328, 627781), (341, 603848), (434, 474452), (451, 456568), (526, 391468), (574, 358732), (616, 334273), (682, 301924), (868, 237226), (902, 228284), (1052, 195734), (1148, 179366), (1271, 162008), (1364, 150962), (1736, 118613), (1804, 114142), (1841, 111848), (2104, 97867), (2296, 89683), (2387, 86264), (2542, 81004), (2728, 75481), (2893, 71176), (3157, 65224), (3608, 57071), (3682, 55924), (4774, 43132), (5084, 40502), (5786, 35588), (6314, 32612), (7364, 27962), (8153, 25256), (8897, 23144), (9548, 21566), (10168, 20251), (10783, 19096), (11572, 17794), (12628, 16306), (13981, 14728)]