28746828

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 79868880

約数和(自身を除く): 51122052

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 229, 317, 396, 458, 634, 687, 916, 951, 1268, 1374, 1902, 2061, 2519, 2748, 2853, 3487, 3804, 4122, 5038, 5706, 6974, 7557, 8244, 10076, 10461, 11412, 13948, 15114, 20922, 22671, 30228, 31383, 41844, 45342, 62766, 72593, 90684, 125532, 145186, 217779, 290372, 435558, 653337, 798523, 871116, 1306674, 1597046, 2395569, 2613348, 3194092, 4791138, 7186707, 9582276, 14373414, 28746828]

約数ペア:

[(1, 28746828), (2, 14373414), (3, 9582276), (4, 7186707), (6, 4791138), (9, 3194092), (11, 2613348), (12, 2395569), (18, 1597046), (22, 1306674), (33, 871116), (36, 798523), (44, 653337), (66, 435558), (99, 290372), (132, 217779), (198, 145186), (229, 125532), (317, 90684), (396, 72593), (458, 62766), (634, 45342), (687, 41844), (916, 31383), (951, 30228), (1268, 22671), (1374, 20922), (1902, 15114), (2061, 13948), (2519, 11412), (2748, 10461), (2853, 10076), (3487, 8244), (3804, 7557), (4122, 6974), (5038, 5706)]