87988888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{383}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 182004480

約数和(自身を除く): 94015592

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 383, 611, 766, 1222, 1532, 2209, 2444, 3064, 4418, 4888, 4979, 8836, 9958, 17672, 18001, 19916, 28717, 36002, 39832, 57434, 72004, 114868, 144008, 229736, 234013, 468026, 846047, 936052, 1692094, 1872104, 3384188, 6768376, 10998611, 21997222, 43994444, 87988888]

約数ペア:

[(1, 87988888), (2, 43994444), (4, 21997222), (8, 10998611), (13, 6768376), (26, 3384188), (47, 1872104), (52, 1692094), (94, 936052), (104, 846047), (188, 468026), (376, 234013), (383, 229736), (611, 144008), (766, 114868), (1222, 72004), (1532, 57434), (2209, 39832), (2444, 36002), (3064, 28717), (4418, 19916), (4888, 18001), (4979, 17672), (8836, 9958)]