40138982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 68769120

約数和(自身を除く): 28630138

約数列:

[1, 2, 13, 19, 26, 38, 193, 247, 386, 421, 494, 842, 2509, 3667, 5018, 5473, 7334, 7999, 10946, 15998, 47671, 81253, 95342, 103987, 162506, 207974, 1056289, 1543807, 2112578, 3087614, 20069491, 40138982]

約数ペア:

[(1, 40138982), (2, 20069491), (13, 3087614), (19, 2112578), (26, 1543807), (38, 1056289), (193, 207974), (247, 162506), (386, 103987), (421, 95342), (494, 81253), (842, 47671), (2509, 15998), (3667, 10946), (5018, 7999), (5473, 7334)]