2663830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 5338368

約数和(自身を除く): 2674538

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 661, 806, 1322, 2015, 3305, 4030, 6610, 8593, 17186, 20491, 40982, 42965, 85930, 102455, 204910, 266383, 532766, 1331915, 2663830]

約数ペア:

[(1, 2663830), (2, 1331915), (5, 532766), (10, 266383), (13, 204910), (26, 102455), (31, 85930), (62, 42965), (65, 40982), (130, 20491), (155, 17186), (310, 8593), (403, 6610), (661, 4030), (806, 3305), (1322, 2015)]