490797788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 941999520

約数和(自身を除く): 451201732

約数列:

[1, 2, 4, 13, 26, 52, 109, 131, 218, 262, 436, 524, 661, 1322, 1417, 1703, 2644, 2834, 3406, 5668, 6812, 8593, 14279, 17186, 28558, 34372, 57116, 72049, 86591, 144098, 173182, 185627, 288196, 346364, 371254, 742508, 936637, 1125683, 1873274, 2251366, 3746548, 4502732, 9438419, 18876838, 37753676, 122699447, 245398894, 490797788]

約数ペア:

[(1, 490797788), (2, 245398894), (4, 122699447), (13, 37753676), (26, 18876838), (52, 9438419), (109, 4502732), (131, 3746548), (218, 2251366), (262, 1873274), (436, 1125683), (524, 936637), (661, 742508), (1322, 371254), (1417, 346364), (1703, 288196), (2644, 185627), (2834, 173182), (3406, 144098), (5668, 86591), (6812, 72049), (8593, 57116), (14279, 34372), (17186, 28558)]