127988380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2333}}^1$

素因数の和:2566

約数の個数: 48

約数和(自身を含む): 290947104

約数和(自身を除く): 162958724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2333, 2743, 4220, 4666, 5486, 9332, 10972, 11665, 13715, 23330, 27430, 30329, 46660, 54860, 60658, 121316, 151645, 303290, 492263, 606580, 984526, 1969052, 2461315, 4922630, 6399419, 9845260, 12798838, 25597676, 31997095, 63994190, 127988380]

約数ペア:

[(1, 127988380), (2, 63994190), (4, 31997095), (5, 25597676), (10, 12798838), (13, 9845260), (20, 6399419), (26, 4922630), (52, 2461315), (65, 1969052), (130, 984526), (211, 606580), (260, 492263), (422, 303290), (844, 151645), (1055, 121316), (2110, 60658), (2333, 54860), (2743, 46660), (4220, 30329), (4666, 27430), (5486, 23330), (9332, 13715), (10972, 11665)]