65861390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:801

約数の個数: 48

約数和(自身を含む): 138706992

約数和(自身を除く): 72845602

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 257, 490, 514, 523, 1046, 1285, 1799, 2570, 2615, 3598, 3661, 5230, 7322, 8995, 12593, 17990, 18305, 25186, 25627, 36610, 51254, 62965, 125930, 128135, 134411, 256270, 268822, 672055, 940877, 1344110, 1881754, 4704385, 6586139, 9408770, 13172278, 32930695, 65861390]

約数ペア:

[(1, 65861390), (2, 32930695), (5, 13172278), (7, 9408770), (10, 6586139), (14, 4704385), (35, 1881754), (49, 1344110), (70, 940877), (98, 672055), (245, 268822), (257, 256270), (490, 134411), (514, 128135), (523, 125930), (1046, 62965), (1285, 51254), (1799, 36610), (2570, 25627), (2615, 25186), (3598, 18305), (3661, 17990), (5230, 12593), (7322, 8995)]