390008988

素因数分解:

$2^2\times 3^2\times {\mathrm{571}}^1\times {\mathrm{18973}}^1$

素因数の和:19554

約数の個数: 36

約数和(自身を含む): 987634648

約数和(自身を除く): 597625660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571, 1142, 1713, 2284, 3426, 5139, 6852, 10278, 18973, 20556, 37946, 56919, 75892, 113838, 170757, 227676, 341514, 683028, 10833583, 21667166, 32500749, 43334332, 65001498, 97502247, 130002996, 195004494, 390008988]

約数ペア:

[(1, 390008988), (2, 195004494), (3, 130002996), (4, 97502247), (6, 65001498), (9, 43334332), (12, 32500749), (18, 21667166), (36, 10833583), (571, 683028), (1142, 341514), (1713, 227676), (2284, 170757), (3426, 113838), (5139, 75892), (6852, 56919), (10278, 37946), (18973, 20556)]