178642242

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 411757164

約数和(自身を除く): 233114922

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 73, 138, 146, 207, 219, 257, 414, 438, 514, 529, 657, 771, 1058, 1314, 1542, 1587, 1679, 2313, 3174, 3358, 4626, 4761, 5037, 5911, 9522, 10074, 11822, 15111, 17733, 18761, 30222, 35466, 37522, 38617, 53199, 56283, 77234, 106398, 112566, 115851, 135953, 168849, 231702, 271906, 337698, 347553, 407859, 431503, 695106, 815718, 863006, 1223577, 1294509, 2447154, 2589018, 3883527, 7767054, 9924569, 19849138, 29773707, 59547414, 89321121, 178642242]

約数ペア:

[(1, 178642242), (2, 89321121), (3, 59547414), (6, 29773707), (9, 19849138), (18, 9924569), (23, 7767054), (46, 3883527), (69, 2589018), (73, 2447154), (138, 1294509), (146, 1223577), (207, 863006), (219, 815718), (257, 695106), (414, 431503), (438, 407859), (514, 347553), (529, 337698), (657, 271906), (771, 231702), (1058, 168849), (1314, 135953), (1542, 115851), (1587, 112566), (1679, 106398), (2313, 77234), (3174, 56283), (3358, 53199), (4626, 38617), (4761, 37522), (5037, 35466), (5911, 30222), (9522, 18761), (10074, 17733), (11822, 15111)]