127981256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{18367}}^1$

素因数の和:18453

約数の個数: 32

約数和(自身を含む): 262295040

約数和(自身を除く): 134313784

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 18367, 36734, 73468, 146936, 238771, 477542, 955084, 1230589, 1910168, 2461178, 4922356, 9844712, 15997657, 31995314, 63990628, 127981256]

約数ペア:

[(1, 127981256), (2, 63990628), (4, 31995314), (8, 15997657), (13, 9844712), (26, 4922356), (52, 2461178), (67, 1910168), (104, 1230589), (134, 955084), (268, 477542), (536, 238771), (871, 146936), (1742, 73468), (3484, 36734), (6968, 18367)]