30291989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 39965184

約数和(自身を除く): 9673195

約数列:

[1, 7, 13, 23, 41, 91, 161, 287, 299, 353, 533, 943, 2093, 2471, 3731, 4589, 6601, 8119, 12259, 14473, 32123, 56833, 85813, 101311, 105547, 188149, 332879, 738829, 1317043, 2330153, 4327427, 30291989]

約数ペア:

[(1, 30291989), (7, 4327427), (13, 2330153), (23, 1317043), (41, 738829), (91, 332879), (161, 188149), (287, 105547), (299, 101311), (353, 85813), (533, 56833), (943, 32123), (2093, 14473), (2471, 12259), (3731, 8119), (4589, 6601)]