128306305

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 162449280

約数和(自身を除く): 34142975

約数列:

[1, 5, 23, 115, 179, 271, 529, 895, 1355, 2645, 4117, 6233, 20585, 31165, 48509, 94691, 143359, 242545, 473455, 716795, 1115707, 5578535, 25661261, 128306305]

約数ペア:

[(1, 128306305), (5, 25661261), (23, 5578535), (115, 1115707), (179, 716795), (271, 473455), (529, 242545), (895, 143359), (1355, 94691), (2645, 48509), (4117, 31165), (6233, 20585)]