26985712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{947}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 56777616

約数和(自身を除く): 29791904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 947, 1096, 1781, 1894, 2192, 3562, 3788, 7124, 7576, 12311, 14248, 15152, 24622, 28496, 49244, 98488, 129739, 196976, 259478, 518956, 1037912, 1686607, 2075824, 3373214, 6746428, 13492856, 26985712]

約数ペア:

[(1, 26985712), (2, 13492856), (4, 6746428), (8, 3373214), (13, 2075824), (16, 1686607), (26, 1037912), (52, 518956), (104, 259478), (137, 196976), (208, 129739), (274, 98488), (548, 49244), (947, 28496), (1096, 24622), (1781, 15152), (1894, 14248), (2192, 12311), (3562, 7576), (3788, 7124)]