201918704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{14489}}^1$

素因数の和:14577

約数の個数: 40

約数和(自身を含む): 427628880

約数和(自身を除く): 225710176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 14489, 28978, 57956, 115912, 188357, 231824, 376714, 753428, 970763, 1506856, 1941526, 3013712, 3883052, 7766104, 12619919, 15532208, 25239838, 50479676, 100959352, 201918704]

約数ペア:

[(1, 201918704), (2, 100959352), (4, 50479676), (8, 25239838), (13, 15532208), (16, 12619919), (26, 7766104), (52, 3883052), (67, 3013712), (104, 1941526), (134, 1506856), (208, 970763), (268, 753428), (536, 376714), (871, 231824), (1072, 188357), (1742, 115912), (3484, 57956), (6968, 28978), (13936, 14489)]