1388395505

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1\times {\mathrm{1193}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 1954568448

約数和(自身を除く): 566172943

約数列:

[1, 5, 7, 35, 41, 205, 287, 811, 1193, 1435, 4055, 5677, 5965, 8351, 28385, 33251, 41755, 48913, 166255, 232757, 244565, 342391, 967523, 1163785, 1711955, 4837615, 6772661, 33863305, 39668443, 198342215, 277679101, 1388395505]

約数ペア:

[(1, 1388395505), (5, 277679101), (7, 198342215), (35, 39668443), (41, 33863305), (205, 6772661), (287, 4837615), (811, 1711955), (1193, 1163785), (1435, 967523), (4055, 342391), (5677, 244565), (5965, 232757), (8351, 166255), (28385, 48913), (33251, 41755)]