55306321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 71781120

約数和(自身を除く): 16474799

約数列:

[1, 7, 17, 19, 61, 119, 133, 323, 401, 427, 1037, 1159, 2261, 2807, 6817, 7259, 7619, 8113, 19703, 24461, 47719, 53333, 129523, 137921, 171227, 415837, 464759, 906661, 2910859, 3253313, 7900903, 55306321]

約数ペア:

[(1, 55306321), (7, 7900903), (17, 3253313), (19, 2910859), (61, 906661), (119, 464759), (133, 415837), (323, 171227), (401, 137921), (427, 129523), (1037, 53333), (1159, 47719), (2261, 24461), (2807, 19703), (6817, 8113), (7259, 7619)]