74646728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42221}}^1$

素因数の和:42257

約数の個数: 32

約数和(自身を含む): 159599160

約数和(自身を除く): 84952432

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 42221, 84442, 168884, 337768, 548873, 717757, 1097746, 1435514, 2195492, 2871028, 4390984, 5742056, 9330841, 18661682, 37323364, 74646728]

約数ペア:

[(1, 74646728), (2, 37323364), (4, 18661682), (8, 9330841), (13, 5742056), (17, 4390984), (26, 2871028), (34, 2195492), (52, 1435514), (68, 1097746), (104, 717757), (136, 548873), (221, 337768), (442, 168884), (884, 84442), (1768, 42221)]