248688285

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{2749}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 411312000

約数和(自身を除く): 162623715

約数列:

[1, 3, 5, 15, 37, 111, 163, 185, 489, 555, 815, 2445, 2749, 6031, 8247, 13745, 18093, 30155, 41235, 90465, 101713, 305139, 448087, 508565, 1344261, 1525695, 2240435, 6721305, 16579219, 49737657, 82896095, 248688285]

約数ペア:

[(1, 248688285), (3, 82896095), (5, 49737657), (15, 16579219), (37, 6721305), (111, 2240435), (163, 1525695), (185, 1344261), (489, 508565), (555, 448087), (815, 305139), (2445, 101713), (2749, 90465), (6031, 41235), (8247, 30155), (13745, 18093)]