1921221136

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{415489}}^1$

素因数の和:415531

約数の個数: 30

約数和(自身を含む): 3954218330

約数和(自身を除く): 2032997194

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 415489, 830978, 1661956, 3323912, 6647824, 7063313, 14126626, 28253252, 56506504, 113013008, 120076321, 240152642, 480305284, 960610568, 1921221136]

約数ペア:

[(1, 1921221136), (2, 960610568), (4, 480305284), (8, 240152642), (16, 120076321), (17, 113013008), (34, 56506504), (68, 28253252), (136, 14126626), (272, 7063313), (289, 6647824), (578, 3323912), (1156, 1661956), (2312, 830978), (4624, 415489)]