81974990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{8693}}^1$

素因数の和:8764

約数の個数: 32

約数和(自身を含む): 157743936

約数和(自身を除く): 75768946

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 4715, 8693, 9430, 17386, 43465, 86930, 199939, 356413, 399878, 712826, 999695, 1782065, 1999390, 3564130, 8197499, 16394998, 40987495, 81974990]

約数ペア:

[(1, 81974990), (2, 40987495), (5, 16394998), (10, 8197499), (23, 3564130), (41, 1999390), (46, 1782065), (82, 999695), (115, 712826), (205, 399878), (230, 356413), (410, 199939), (943, 86930), (1886, 43465), (4715, 17386), (8693, 9430)]