231281648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15661}}^1$

素因数の和:15753

約数の個数: 40

約数和(自身を含む): 489406176

約数和(自身を除く): 258124528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 15661, 31322, 62644, 125288, 203593, 250576, 407186, 814372, 1111931, 1628744, 2223862, 3257488, 4447724, 8895448, 14455103, 17790896, 28910206, 57820412, 115640824, 231281648]

約数ペア:

[(1, 231281648), (2, 115640824), (4, 57820412), (8, 28910206), (13, 17790896), (16, 14455103), (26, 8895448), (52, 4447724), (71, 3257488), (104, 2223862), (142, 1628744), (208, 1111931), (284, 814372), (568, 407186), (923, 250576), (1136, 203593), (1846, 125288), (3692, 62644), (7384, 31322), (14768, 15661)]