31515414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 77007360

約数和(自身を除く): 45491946

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 73, 114, 133, 146, 219, 266, 399, 438, 511, 541, 798, 1022, 1082, 1387, 1533, 1623, 2774, 3066, 3246, 3787, 4161, 7574, 8322, 9709, 10279, 11361, 19418, 20558, 22722, 29127, 30837, 39493, 58254, 61674, 71953, 78986, 118479, 143906, 215859, 236958, 276451, 431718, 552902, 750367, 829353, 1500734, 1658706, 2251101, 4502202, 5252569, 10505138, 15757707, 31515414]

約数ペア:

[(1, 31515414), (2, 15757707), (3, 10505138), (6, 5252569), (7, 4502202), (14, 2251101), (19, 1658706), (21, 1500734), (38, 829353), (42, 750367), (57, 552902), (73, 431718), (114, 276451), (133, 236958), (146, 215859), (219, 143906), (266, 118479), (399, 78986), (438, 71953), (511, 61674), (541, 58254), (798, 39493), (1022, 30837), (1082, 29127), (1387, 22722), (1533, 20558), (1623, 19418), (2774, 11361), (3066, 10279), (3246, 9709), (3787, 8322), (4161, 7574)]