394580524

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 813281280

約数和(自身を除く): 418700756

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 169, 247, 338, 403, 494, 589, 676, 806, 988, 991, 1178, 1612, 1982, 2356, 3211, 3964, 5239, 6422, 7657, 10478, 12844, 12883, 15314, 18829, 20956, 25766, 30628, 30721, 37658, 51532, 61442, 75316, 99541, 122884, 167479, 199082, 244777, 334958, 398164, 399373, 489554, 583699, 669916, 798746, 979108, 1167398, 1597492, 2334796, 3182101, 5191849, 6364202, 7588087, 10383698, 12728404, 15176174, 20767396, 30352348, 98645131, 197290262, 394580524]

約数ペア:

[(1, 394580524), (2, 197290262), (4, 98645131), (13, 30352348), (19, 20767396), (26, 15176174), (31, 12728404), (38, 10383698), (52, 7588087), (62, 6364202), (76, 5191849), (124, 3182101), (169, 2334796), (247, 1597492), (338, 1167398), (403, 979108), (494, 798746), (589, 669916), (676, 583699), (806, 489554), (988, 399373), (991, 398164), (1178, 334958), (1612, 244777), (1982, 199082), (2356, 167479), (3211, 122884), (3964, 99541), (5239, 75316), (6422, 61442), (7657, 51532), (10478, 37658), (12844, 30721), (12883, 30628), (15314, 25766), (18829, 20956)]