221821312654

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{243263}}^1$

素因数の和:243792

約数の個数: 32

約数和(自身を含む): 356045082624

約数和(自身を除く): 134223769970

約数列:

[1, 2, 23, 43, 46, 86, 461, 922, 989, 1978, 10603, 19823, 21206, 39646, 243263, 455929, 486526, 911858, 5595049, 10460309, 11190098, 20920618, 112144243, 224288486, 240587107, 481174214, 2579317589, 4822202449, 5158635178, 9644404898, 110910656327, 221821312654]

約数ペア:

[(1, 221821312654), (2, 110910656327), (23, 9644404898), (43, 5158635178), (46, 4822202449), (86, 2579317589), (461, 481174214), (922, 240587107), (989, 224288486), (1978, 112144243), (10603, 20920618), (19823, 11190098), (21206, 10460309), (39646, 5595049), (243263, 911858), (455929, 486526)]