68640311.000000000

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22921}}^1$

素因数の和:22953

約数の個数: 56

約数和(自身を含む): 326042528

約数和(自身を除く): 192550624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 22921, 45842, 91684, 160447, 183368, 297973, 320894, 366736, 595946, 641788, 733472, 1191892, 1283576, 1466944, 2085811, 2383784, 2567152, 4171622, 4767568, 5134304, 8343244, 9535136, 10268608, 16686488, 19070272, 33372976, 66745952, 133491904]

約数ペア:

[(1, 133491904), (2, 66745952), (4, 33372976), (7, 19070272), (8, 16686488), (13, 10268608), (14, 9535136), (16, 8343244), (26, 5134304), (28, 4767568), (32, 4171622), (52, 2567152), (56, 2383784), (64, 2085811), (91, 1466944), (104, 1283576), (112, 1191892), (182, 733472), (208, 641788), (224, 595946), (364, 366736), (416, 320894), (448, 297973), (728, 183368), (832, 160447), (1456, 91684), (2912, 45842), (5824, 22921)]