40666574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 69672960

約数和(自身を除く): 29006386

約数列:

[1, 2, 13, 19, 26, 38, 191, 247, 382, 431, 494, 862, 2483, 3629, 4966, 5603, 7258, 8189, 11206, 16378, 47177, 82321, 94354, 106457, 164642, 212914, 1070173, 1564099, 2140346, 3128198, 20333287, 40666574]

約数ペア:

[(1, 40666574), (2, 20333287), (13, 3128198), (19, 2140346), (26, 1564099), (38, 1070173), (191, 212914), (247, 164642), (382, 106457), (431, 94354), (494, 82321), (862, 47177), (2483, 16378), (3629, 11206), (4966, 8189), (5603, 7258)]