40196806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 69249600

約数和(自身を除く): 29052794

約数列:

[1, 2, 13, 17, 26, 34, 199, 221, 398, 442, 457, 914, 2587, 3383, 5174, 5941, 6766, 7769, 11882, 15538, 43979, 87958, 90943, 100997, 181886, 201994, 1182259, 1546031, 2364518, 3092062, 20098403, 40196806]

約数ペア:

[(1, 40196806), (2, 20098403), (13, 3092062), (17, 2364518), (26, 1546031), (34, 1182259), (199, 201994), (221, 181886), (398, 100997), (442, 90943), (457, 87958), (914, 43979), (2587, 15538), (3383, 11882), (5174, 7769), (5941, 6766)]