201978616

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{22973}}^1$

素因数の和:23143

約数の個数: 32

約数和(自身を含む): 435587040

約数和(自身を除く): 233608424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 22973, 45946, 91892, 160811, 183784, 321622, 643244, 1286488, 3606761, 7213522, 14427044, 25247327, 28854088, 50494654, 100989308, 201978616]

約数ペア:

[(1, 201978616), (2, 100989308), (4, 50494654), (7, 28854088), (8, 25247327), (14, 14427044), (28, 7213522), (56, 3606761), (157, 1286488), (314, 643244), (628, 321622), (1099, 183784), (1256, 160811), (2198, 91892), (4396, 45946), (8792, 22973)]