221574668

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{66499}}^1$

素因数の和:66534

約数の個数: 36

約数和(自身を含む): 477603000

約数和(自身を除く): 256028332

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 66499, 132998, 265996, 465493, 930986, 1130483, 1861972, 2260966, 3258451, 4521932, 6516902, 7913381, 13033804, 15826762, 31653524, 55393667, 110787334, 221574668]

約数ペア:

[(1, 221574668), (2, 110787334), (4, 55393667), (7, 31653524), (14, 15826762), (17, 13033804), (28, 7913381), (34, 6516902), (49, 4521932), (68, 3258451), (98, 2260966), (119, 1861972), (196, 1130483), (238, 930986), (476, 465493), (833, 265996), (1666, 132998), (3332, 66499)]