678621482

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 72

約数和(自身を含む): 1313635680

約数和(自身を除く): 635014198

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 151, 154, 242, 302, 379, 539, 758, 847, 1057, 1078, 1661, 1694, 2114, 2653, 3322, 4169, 5306, 5929, 7399, 8338, 11627, 11858, 14798, 18271, 18571, 23254, 29183, 36542, 37142, 45859, 57229, 58366, 81389, 91718, 114458, 127897, 162778, 204281, 255794, 321013, 400603, 408562, 629519, 642026, 801206, 895279, 1259038, 1790558, 2247091, 2804221, 4406633, 4494182, 5608442, 6924709, 8813266, 13849418, 30846431, 48472963, 61692862, 96945926, 339310741, 678621482]

約数ペア:

[(1, 678621482), (2, 339310741), (7, 96945926), (11, 61692862), (14, 48472963), (22, 30846431), (49, 13849418), (77, 8813266), (98, 6924709), (121, 5608442), (151, 4494182), (154, 4406633), (242, 2804221), (302, 2247091), (379, 1790558), (539, 1259038), (758, 895279), (847, 801206), (1057, 642026), (1078, 629519), (1661, 408562), (1694, 400603), (2114, 321013), (2653, 255794), (3322, 204281), (4169, 162778), (5306, 127897), (5929, 114458), (7399, 91718), (8338, 81389), (11627, 58366), (11858, 57229), (14798, 45859), (18271, 37142), (18571, 36542), (23254, 29183)]