81223168

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{12203}}^1$

素因数の和:12234

約数の個数: 40

約数和(自身を含む): 174785688

約数和(自身を除く): 93562520

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 12203, 24406, 48812, 97624, 158639, 195248, 317278, 390496, 634556, 780992, 1269112, 1561984, 2538224, 3123968, 5076448, 6247936, 10152896, 20305792, 40611584, 81223168]

約数ペア:

[(1, 81223168), (2, 40611584), (4, 20305792), (8, 10152896), (13, 6247936), (16, 5076448), (26, 3123968), (32, 2538224), (52, 1561984), (64, 1269112), (104, 780992), (128, 634556), (208, 390496), (256, 317278), (416, 195248), (512, 158639), (832, 97624), (1664, 48812), (3328, 24406), (6656, 12203)]