40506518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 69431040

約数和(自身を除く): 28924522

約数列:

[1, 2, 13, 19, 26, 38, 167, 247, 334, 491, 494, 982, 2171, 3173, 4342, 6346, 6383, 9329, 12766, 18658, 41249, 81997, 82498, 121277, 163994, 242554, 1065961, 1557943, 2131922, 3115886, 20253259, 40506518]

約数ペア:

[(1, 40506518), (2, 20253259), (13, 3115886), (19, 2131922), (26, 1557943), (38, 1065961), (167, 242554), (247, 163994), (334, 121277), (491, 82498), (494, 81997), (982, 41249), (2171, 18658), (3173, 12766), (4342, 9329), (6346, 6383)]