55131128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{827}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 111630960

約数和(自身を除く): 56499832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 641, 827, 1282, 1654, 2564, 3308, 5128, 6616, 8333, 10751, 16666, 21502, 33332, 43004, 66664, 86008, 530107, 1060214, 2120428, 4240856, 6891391, 13782782, 27565564, 55131128]

約数ペア:

[(1, 55131128), (2, 27565564), (4, 13782782), (8, 6891391), (13, 4240856), (26, 2120428), (52, 1060214), (104, 530107), (641, 86008), (827, 66664), (1282, 43004), (1654, 33332), (2564, 21502), (3308, 16666), (5128, 10751), (6616, 8333)]