161012992

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4729}}^1$

素因数の和:4771

約数の個数: 72

約数和(自身を含む): 386724800

約数和(自身を除く): 225711808

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 4256, 4729, 4864, 8512, 9458, 17024, 18916, 33103, 34048, 37832, 66206, 75664, 89851, 132412, 151328, 179702, 264824, 302656, 359404, 529648, 605312, 628957, 718808, 1059296, 1210624, 1257914, 1437616, 2118592, 2515828, 2875232, 4237184, 5031656, 5750464, 8474368, 10063312, 11500928, 20126624, 23001856, 40253248, 80506496, 161012992]

約数ペア:

[(1, 161012992), (2, 80506496), (4, 40253248), (7, 23001856), (8, 20126624), (14, 11500928), (16, 10063312), (19, 8474368), (28, 5750464), (32, 5031656), (38, 4237184), (56, 2875232), (64, 2515828), (76, 2118592), (112, 1437616), (128, 1257914), (133, 1210624), (152, 1059296), (224, 718808), (256, 628957), (266, 605312), (304, 529648), (448, 359404), (532, 302656), (608, 264824), (896, 179702), (1064, 151328), (1216, 132412), (1792, 89851), (2128, 75664), (2432, 66206), (4256, 37832), (4729, 34048), (4864, 33103), (8512, 18916), (9458, 17024)]