9890906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 16873920

約数和(自身を除く): 6983014

約数列:

[1, 2, 17, 19, 34, 38, 61, 122, 251, 323, 502, 646, 1037, 1159, 2074, 2318, 4267, 4769, 8534, 9538, 15311, 19703, 30622, 39406, 81073, 162146, 260287, 290909, 520574, 581818, 4945453, 9890906]

約数ペア:

[(1, 9890906), (2, 4945453), (17, 581818), (19, 520574), (34, 290909), (38, 260287), (61, 162146), (122, 81073), (251, 39406), (323, 30622), (502, 19703), (646, 15311), (1037, 9538), (1159, 8534), (2074, 4769), (2318, 4267)]