221511264

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{177493}}^1$

素因数の和:177519

約数の個数: 48

約数和(自身を含む): 626198832

約数和(自身を除く): 404687568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 177493, 354986, 532479, 709972, 1064958, 1419944, 2129916, 2307409, 2839888, 4259832, 4614818, 5679776, 6922227, 8519664, 9229636, 13844454, 17039328, 18459272, 27688908, 36918544, 55377816, 73837088, 110755632, 221511264]

約数ペア:

[(1, 221511264), (2, 110755632), (3, 73837088), (4, 55377816), (6, 36918544), (8, 27688908), (12, 18459272), (13, 17039328), (16, 13844454), (24, 9229636), (26, 8519664), (32, 6922227), (39, 5679776), (48, 4614818), (52, 4259832), (78, 2839888), (96, 2307409), (104, 2129916), (156, 1419944), (208, 1064958), (312, 709972), (416, 532479), (624, 354986), (1248, 177493)]