287585792

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{43207}}^1$

素因数の和:43238

約数の個数: 40

約数和(自身を含む): 618824976

約数和(自身を除く): 331239184

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 43207, 86414, 172828, 345656, 561691, 691312, 1123382, 1382624, 2246764, 2765248, 4493528, 5530496, 8987056, 11060992, 17974112, 22121984, 35948224, 71896448, 143792896, 287585792]

約数ペア:

[(1, 287585792), (2, 143792896), (4, 71896448), (8, 35948224), (13, 22121984), (16, 17974112), (26, 11060992), (32, 8987056), (52, 5530496), (64, 4493528), (104, 2765248), (128, 2246764), (208, 1382624), (256, 1123382), (416, 691312), (512, 561691), (832, 345656), (1664, 172828), (3328, 86414), (6656, 43207)]