68968332784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{140321}}^1$

素因数の和:140498

約数の個数: 80

約数和(自身を含む): 153467364960

約数和(自身を除く): 84499032176

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 139, 208, 221, 272, 278, 442, 556, 884, 1112, 1768, 1807, 2224, 2363, 3536, 3614, 4726, 7228, 9452, 14456, 18904, 28912, 30719, 37808, 61438, 122876, 140321, 245752, 280642, 491504, 561284, 1122568, 1824173, 2245136, 2385457, 3648346, 4770914, 7296692, 9541828, 14593384, 19083656, 19504619, 29186768, 31010941, 38167312, 39009238, 62021882, 78018476, 124043764, 156036952, 248087528, 253560047, 312073904, 331578523, 496175056, 507120094, 663157046, 1014240188, 1326314092, 2028480376, 2652628184, 4056960752, 4310520799, 5305256368, 8621041598, 17242083196, 34484166392, 68968332784]

約数ペア:

[(1, 68968332784), (2, 34484166392), (4, 17242083196), (8, 8621041598), (13, 5305256368), (16, 4310520799), (17, 4056960752), (26, 2652628184), (34, 2028480376), (52, 1326314092), (68, 1014240188), (104, 663157046), (136, 507120094), (139, 496175056), (208, 331578523), (221, 312073904), (272, 253560047), (278, 248087528), (442, 156036952), (556, 124043764), (884, 78018476), (1112, 62021882), (1768, 39009238), (1807, 38167312), (2224, 31010941), (2363, 29186768), (3536, 19504619), (3614, 19083656), (4726, 14593384), (7228, 9541828), (9452, 7296692), (14456, 4770914), (18904, 3648346), (28912, 2385457), (30719, 2245136), (37808, 1824173), (61438, 1122568), (122876, 561284), (140321, 491504), (245752, 280642)]