388976626

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9871}}^1$

素因数の和:9970

約数の個数: 32

約数和(自身を含む): 661029120

約数和(自身を除く): 272052494

約数列:

[1, 2, 17, 19, 34, 38, 61, 122, 323, 646, 1037, 1159, 2074, 2318, 9871, 19703, 19742, 39406, 167807, 187549, 335614, 375098, 602131, 1204262, 3188333, 6376666, 10236227, 11440489, 20472454, 22880978, 194488313, 388976626]

約数ペア:

[(1, 388976626), (2, 194488313), (17, 22880978), (19, 20472454), (34, 11440489), (38, 10236227), (61, 6376666), (122, 3188333), (323, 1204262), (646, 602131), (1037, 375098), (1159, 335614), (2074, 187549), (2318, 167807), (9871, 39406), (19703, 19742)]