407710018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 654350400

約数和(自身を除く): 246640382

約数列:

[1, 2, 19, 38, 107, 197, 214, 394, 509, 1018, 2033, 3743, 4066, 7486, 9671, 19342, 21079, 42158, 54463, 100273, 108926, 200546, 400501, 801002, 1034797, 1905187, 2069594, 3810374, 10729211, 21458422, 203855009, 407710018]

約数ペア:

[(1, 407710018), (2, 203855009), (19, 21458422), (38, 10729211), (107, 3810374), (197, 2069594), (214, 1905187), (394, 1034797), (509, 801002), (1018, 400501), (2033, 200546), (3743, 108926), (4066, 100273), (7486, 54463), (9671, 42158), (19342, 21079)]