208399716

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 632311680

約数和(自身を除く): 423911964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 109, 126, 162, 189, 218, 243, 252, 281, 324, 327, 378, 436, 486, 562, 567, 654, 756, 763, 843, 972, 981, 1124, 1134, 1308, 1526, 1686, 1701, 1962, 1967, 2268, 2289, 2529, 2943, 3052, 3372, 3402, 3924, 3934, 4578, 5058, 5886, 5901, 6804, 6867, 7587, 7868, 8829, 9156, 10116, 11772, 11802, 13734, 15174, 17658, 17703, 20601, 22761, 23604, 26487, 27468, 30348, 30629, 35316, 35406, 41202, 45522, 52974, 53109, 61258, 61803, 68283, 70812, 82404, 91044, 91887, 105948, 106218, 122516, 123606, 136566, 159327, 183774, 185409, 212436, 214403, 247212, 273132, 275661, 318654, 367548, 370818, 428806, 477981, 551322, 637308, 643209, 741636, 826983, 857612, 955962, 1102644, 1286418, 1653966, 1911924, 1929627, 2480949, 2572836, 3307932, 3859254, 4961898, 5788881, 7442847, 7718508, 9923796, 11577762, 14885694, 17366643, 23155524, 29771388, 34733286, 52099929, 69466572, 104199858, 208399716]

約数ペア:

[(1, 208399716), (2, 104199858), (3, 69466572), (4, 52099929), (6, 34733286), (7, 29771388), (9, 23155524), (12, 17366643), (14, 14885694), (18, 11577762), (21, 9923796), (27, 7718508), (28, 7442847), (36, 5788881), (42, 4961898), (54, 3859254), (63, 3307932), (81, 2572836), (84, 2480949), (108, 1929627), (109, 1911924), (126, 1653966), (162, 1286418), (189, 1102644), (218, 955962), (243, 857612), (252, 826983), (281, 741636), (324, 643209), (327, 637308), (378, 551322), (436, 477981), (486, 428806), (562, 370818), (567, 367548), (654, 318654), (756, 275661), (763, 273132), (843, 247212), (972, 214403), (981, 212436), (1124, 185409), (1134, 183774), (1308, 159327), (1526, 136566), (1686, 123606), (1701, 122516), (1962, 106218), (1967, 105948), (2268, 91887), (2289, 91044), (2529, 82404), (2943, 70812), (3052, 68283), (3372, 61803), (3402, 61258), (3924, 53109), (3934, 52974), (4578, 45522), (5058, 41202), (5886, 35406), (5901, 35316), (6804, 30629), (6867, 30348), (7587, 27468), (7868, 26487), (8829, 23604), (9156, 22761), (10116, 20601), (11772, 17703), (11802, 17658), (13734, 15174)]