164886272

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 345354240

約数和(自身を除く): 180467968

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 256, 263, 316, 496, 526, 632, 992, 1052, 1264, 1984, 2104, 2449, 2528, 3968, 4208, 4898, 5056, 7936, 8153, 8416, 9796, 10112, 16306, 16832, 19592, 20224, 20777, 32612, 33664, 39184, 41554, 65224, 67328, 78368, 83108, 130448, 156736, 166216, 260896, 313472, 332432, 521792, 626944, 644087, 664864, 1043584, 1288174, 1329728, 2087168, 2576348, 2659456, 5152696, 5318912, 10305392, 20610784, 41221568, 82443136, 164886272]

約数ペア:

[(1, 164886272), (2, 82443136), (4, 41221568), (8, 20610784), (16, 10305392), (31, 5318912), (32, 5152696), (62, 2659456), (64, 2576348), (79, 2087168), (124, 1329728), (128, 1288174), (158, 1043584), (248, 664864), (256, 644087), (263, 626944), (316, 521792), (496, 332432), (526, 313472), (632, 260896), (992, 166216), (1052, 156736), (1264, 130448), (1984, 83108), (2104, 78368), (2449, 67328), (2528, 65224), (3968, 41554), (4208, 39184), (4898, 33664), (5056, 32612), (7936, 20777), (8153, 20224), (8416, 19592), (9796, 16832), (10112, 16306)]