123721738

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1723}}^1$

素因数の和:1978

約数の個数: 32

約数和(自身を含む): 222437376

約数和(自身を除く): 98715638

約数列:

[1, 2, 7, 14, 23, 46, 161, 223, 322, 446, 1561, 1723, 3122, 3446, 5129, 10258, 12061, 24122, 35903, 39629, 71806, 79258, 277403, 384229, 554806, 768458, 2689603, 5379206, 8837267, 17674534, 61860869, 123721738]

約数ペア:

[(1, 123721738), (2, 61860869), (7, 17674534), (14, 8837267), (23, 5379206), (46, 2689603), (161, 768458), (223, 554806), (322, 384229), (446, 277403), (1561, 79258), (1723, 71806), (3122, 39629), (3446, 35903), (5129, 24122), (10258, 12061)]