128087908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 251130880

約数和(自身を除く): 123042972

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 181, 362, 403, 439, 724, 806, 878, 1612, 1756, 2353, 4706, 5611, 5707, 9412, 11222, 11414, 13609, 22444, 22828, 27218, 54436, 72943, 79459, 145886, 158918, 176917, 291772, 317836, 353834, 707668, 1032967, 2065934, 2463229, 4131868, 4926458, 9852916, 32021977, 64043954, 128087908]

約数ペア:

[(1, 128087908), (2, 64043954), (4, 32021977), (13, 9852916), (26, 4926458), (31, 4131868), (52, 2463229), (62, 2065934), (124, 1032967), (181, 707668), (362, 353834), (403, 317836), (439, 291772), (724, 176917), (806, 158918), (878, 145886), (1612, 79459), (1756, 72943), (2353, 54436), (4706, 27218), (5611, 22828), (5707, 22444), (9412, 13609), (11222, 11414)]