81726632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3989}}^1$

素因数の和:4205

約数の個数: 32

約数和(自身を含む): 165904200

約数和(自身を除く): 84177568

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1576, 2561, 3989, 5122, 7978, 10244, 15956, 20488, 31912, 51857, 103714, 207428, 414856, 785833, 1571666, 3143332, 6286664, 10215829, 20431658, 40863316, 81726632]

約数ペア:

[(1, 81726632), (2, 40863316), (4, 20431658), (8, 10215829), (13, 6286664), (26, 3143332), (52, 1571666), (104, 785833), (197, 414856), (394, 207428), (788, 103714), (1576, 51857), (2561, 31912), (3989, 20488), (5122, 15956), (7978, 10244)]