53248390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 108605952

約数和(自身を除く): 55357562

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 73, 130, 146, 155, 181, 310, 362, 365, 403, 730, 806, 905, 949, 1810, 1898, 2015, 2263, 2353, 4030, 4526, 4706, 4745, 5611, 9490, 11222, 11315, 11765, 13213, 22630, 23530, 26426, 28055, 29419, 56110, 58838, 66065, 72943, 132130, 145886, 147095, 171769, 294190, 343538, 364715, 409603, 729430, 819206, 858845, 1717690, 2048015, 4096030, 5324839, 10649678, 26624195, 53248390]

約数ペア:

[(1, 53248390), (2, 26624195), (5, 10649678), (10, 5324839), (13, 4096030), (26, 2048015), (31, 1717690), (62, 858845), (65, 819206), (73, 729430), (130, 409603), (146, 364715), (155, 343538), (181, 294190), (310, 171769), (362, 147095), (365, 145886), (403, 132130), (730, 72943), (806, 66065), (905, 58838), (949, 56110), (1810, 29419), (1898, 28055), (2015, 26426), (2263, 23530), (2353, 22630), (4030, 13213), (4526, 11765), (4706, 11315), (4745, 11222), (5611, 9490)]