1221211312

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1130

約数の個数: 60

約数和(自身を含む): 2491906480

約数和(自身を除く): 1270695168

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 157, 184, 314, 368, 529, 628, 919, 1058, 1256, 1838, 2116, 2512, 3611, 3676, 4232, 7222, 7352, 8464, 14444, 14704, 21137, 28888, 42274, 57776, 83053, 84548, 144283, 166106, 169096, 288566, 332212, 338192, 486151, 577132, 664424, 972302, 1154264, 1328848, 1944604, 2308528, 3318509, 3889208, 6637018, 7778416, 13274036, 26548072, 53096144, 76325707, 152651414, 305302828, 610605656, 1221211312]

約数ペア:

[(1, 1221211312), (2, 610605656), (4, 305302828), (8, 152651414), (16, 76325707), (23, 53096144), (46, 26548072), (92, 13274036), (157, 7778416), (184, 6637018), (314, 3889208), (368, 3318509), (529, 2308528), (628, 1944604), (919, 1328848), (1058, 1154264), (1256, 972302), (1838, 664424), (2116, 577132), (2512, 486151), (3611, 338192), (3676, 332212), (4232, 288566), (7222, 169096), (7352, 166106), (8464, 144283), (14444, 84548), (14704, 83053), (21137, 57776), (28888, 42274)]