28706470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{479}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 55883520

約数和(自身を除く): 27177050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 461, 479, 922, 958, 2305, 2395, 4610, 4790, 5993, 6227, 11986, 12454, 29965, 31135, 59930, 62270, 220819, 441638, 1104095, 2208190, 2870647, 5741294, 14353235, 28706470]

約数ペア:

[(1, 28706470), (2, 14353235), (5, 5741294), (10, 2870647), (13, 2208190), (26, 1104095), (65, 441638), (130, 220819), (461, 62270), (479, 59930), (922, 31135), (958, 29965), (2305, 12454), (2395, 11986), (4610, 6227), (4790, 5993)]