208189072

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 120

約数和(自身を含む): 529358976

約数和(自身を除く): 321169904

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 169, 182, 208, 221, 238, 272, 338, 364, 442, 476, 647, 676, 728, 884, 952, 1183, 1294, 1352, 1456, 1547, 1768, 1904, 2366, 2588, 2704, 2873, 3094, 3536, 4529, 4732, 5176, 5746, 6188, 8411, 9058, 9464, 10352, 10999, 11492, 12376, 16822, 18116, 18928, 20111, 21998, 22984, 24752, 33644, 36232, 40222, 43996, 45968, 58877, 67288, 72464, 76993, 80444, 87992, 109343, 117754, 134576, 142987, 153986, 160888, 175984, 218686, 235508, 285974, 307972, 321776, 437372, 471016, 571948, 615944, 765401, 874744, 942032, 1000909, 1143896, 1231888, 1530802, 1749488, 1858831, 2001818, 2287792, 3061604, 3717662, 4003636, 6123208, 7435324, 8007272, 12246416, 13011817, 14870648, 16014544, 26023634, 29741296, 52047268, 104094536, 208189072]

約数ペア:

[(1, 208189072), (2, 104094536), (4, 52047268), (7, 29741296), (8, 26023634), (13, 16014544), (14, 14870648), (16, 13011817), (17, 12246416), (26, 8007272), (28, 7435324), (34, 6123208), (52, 4003636), (56, 3717662), (68, 3061604), (91, 2287792), (104, 2001818), (112, 1858831), (119, 1749488), (136, 1530802), (169, 1231888), (182, 1143896), (208, 1000909), (221, 942032), (238, 874744), (272, 765401), (338, 615944), (364, 571948), (442, 471016), (476, 437372), (647, 321776), (676, 307972), (728, 285974), (884, 235508), (952, 218686), (1183, 175984), (1294, 160888), (1352, 153986), (1456, 142987), (1547, 134576), (1768, 117754), (1904, 109343), (2366, 87992), (2588, 80444), (2704, 76993), (2873, 72464), (3094, 67288), (3536, 58877), (4529, 45968), (4732, 43996), (5176, 40222), (5746, 36232), (6188, 33644), (8411, 24752), (9058, 22984), (9464, 21998), (10352, 20111), (10999, 18928), (11492, 18116), (12376, 16822)]