2494702990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{619033}}^1$

素因数の和:619084

約数の個数: 32

約数和(自身を含む): 4991890176

約数和(自身を除く): 2497187186

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 619033, 1238066, 3095165, 6190330, 8047429, 16094858, 19190023, 38380046, 40237145, 80474290, 95950115, 191900230, 249470299, 498940598, 1247351495, 2494702990]

約数ペア:

[(1, 2494702990), (2, 1247351495), (5, 498940598), (10, 249470299), (13, 191900230), (26, 95950115), (31, 80474290), (62, 40237145), (65, 38380046), (130, 19190023), (155, 16094858), (310, 8047429), (403, 6190330), (806, 3095165), (2015, 1238066), (4030, 619033)]