221821964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{46877}}^1$

素因数の和:46914

約数の個数: 36

約数和(自身を含む): 480405744

約数和(自身を除く): 258583780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 46877, 93754, 187508, 328139, 609401, 656278, 1218802, 1312556, 2437604, 4265807, 7922213, 8531614, 15844426, 17063228, 31688852, 55455491, 110910982, 221821964]

約数ペア:

[(1, 221821964), (2, 110910982), (4, 55455491), (7, 31688852), (13, 17063228), (14, 15844426), (26, 8531614), (28, 7922213), (52, 4265807), (91, 2437604), (169, 1312556), (182, 1218802), (338, 656278), (364, 609401), (676, 328139), (1183, 187508), (2366, 93754), (4732, 46877)]