230919728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20947}}^1$

素因数の和:21021

約数の個数: 40

約数和(自身を含む): 490937328

約数和(自身を除く): 260017600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 20947, 41894, 83788, 167576, 272311, 335152, 544622, 1089244, 1110191, 2178488, 2220382, 4356976, 4440764, 8881528, 14432483, 17763056, 28864966, 57729932, 115459864, 230919728]

約数ペア:

[(1, 230919728), (2, 115459864), (4, 57729932), (8, 28864966), (13, 17763056), (16, 14432483), (26, 8881528), (52, 4440764), (53, 4356976), (104, 2220382), (106, 2178488), (208, 1110191), (212, 1089244), (424, 544622), (689, 335152), (848, 272311), (1378, 167576), (2756, 83788), (5512, 41894), (11024, 20947)]