331799888

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{155921}}^1$

素因数の和:155955

約数の個数: 40

約数和(自身を含む): 773373120

約数和(自身を除く): 441573232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 155921, 311842, 623684, 1091447, 1247368, 2182894, 2494736, 2962499, 4365788, 5924998, 8731576, 11849996, 17463152, 20737493, 23699992, 41474986, 47399984, 82949972, 165899944, 331799888]

約数ペア:

[(1, 331799888), (2, 165899944), (4, 82949972), (7, 47399984), (8, 41474986), (14, 23699992), (16, 20737493), (19, 17463152), (28, 11849996), (38, 8731576), (56, 5924998), (76, 4365788), (112, 2962499), (133, 2494736), (152, 2182894), (266, 1247368), (304, 1091447), (532, 623684), (1064, 311842), (2128, 155921)]