31866458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 54613440

約数和(自身を除く): 22746982

約数列:

[1, 2, 13, 19, 26, 38, 247, 251, 257, 494, 502, 514, 3263, 3341, 4769, 4883, 6526, 6682, 9538, 9766, 61997, 63479, 64507, 123994, 126958, 129014, 838591, 1225633, 1677182, 2451266, 15933229, 31866458]

約数ペア:

[(1, 31866458), (2, 15933229), (13, 2451266), (19, 1677182), (26, 1225633), (38, 838591), (247, 129014), (251, 126958), (257, 123994), (494, 64507), (502, 63479), (514, 61997), (3263, 9766), (3341, 9538), (4769, 6682), (4883, 6526)]