221465608

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{304211}}^1$

素因数の和:304237

約数の個数: 32

約数和(自身を含む): 511076160

約数和(自身を除く): 289610552

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 304211, 608422, 1216844, 2129477, 2433688, 3954743, 4258954, 7909486, 8517908, 15818972, 17035816, 27683201, 31637944, 55366402, 110732804, 221465608]

約数ペア:

[(1, 221465608), (2, 110732804), (4, 55366402), (7, 31637944), (8, 27683201), (13, 17035816), (14, 15818972), (26, 8517908), (28, 7909486), (52, 4258954), (56, 3954743), (91, 2433688), (104, 2129477), (182, 1216844), (364, 608422), (728, 304211)]