64323770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{523}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 135481248

約数和(自身を除く): 71157478

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 251, 490, 502, 523, 1046, 1255, 1757, 2510, 2615, 3514, 3661, 5230, 7322, 8785, 12299, 17570, 18305, 24598, 25627, 36610, 51254, 61495, 122990, 128135, 131273, 256270, 262546, 656365, 918911, 1312730, 1837822, 4594555, 6432377, 9189110, 12864754, 32161885, 64323770]

約数ペア:

[(1, 64323770), (2, 32161885), (5, 12864754), (7, 9189110), (10, 6432377), (14, 4594555), (35, 1837822), (49, 1312730), (70, 918911), (98, 656365), (245, 262546), (251, 256270), (490, 131273), (502, 128135), (523, 122990), (1046, 61495), (1255, 51254), (1757, 36610), (2510, 25627), (2615, 24598), (3514, 18305), (3661, 17570), (5230, 12299), (7322, 8785)]