12405328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 28262080

約数和(自身を除く): 15856752

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 43, 52, 73, 76, 86, 104, 146, 152, 172, 208, 247, 292, 304, 344, 494, 559, 584, 688, 817, 949, 988, 1118, 1168, 1387, 1634, 1898, 1976, 2236, 2774, 3139, 3268, 3796, 3952, 4472, 5548, 6278, 6536, 7592, 8944, 10621, 11096, 12556, 13072, 15184, 18031, 21242, 22192, 25112, 36062, 40807, 42484, 50224, 59641, 72124, 81614, 84968, 119282, 144248, 163228, 169936, 238564, 288496, 326456, 477128, 652912, 775333, 954256, 1550666, 3101332, 6202664, 12405328]

約数ペア:

[(1, 12405328), (2, 6202664), (4, 3101332), (8, 1550666), (13, 954256), (16, 775333), (19, 652912), (26, 477128), (38, 326456), (43, 288496), (52, 238564), (73, 169936), (76, 163228), (86, 144248), (104, 119282), (146, 84968), (152, 81614), (172, 72124), (208, 59641), (247, 50224), (292, 42484), (304, 40807), (344, 36062), (494, 25112), (559, 22192), (584, 21242), (688, 18031), (817, 15184), (949, 13072), (988, 12556), (1118, 11096), (1168, 10621), (1387, 8944), (1634, 7592), (1898, 6536), (1976, 6278), (2236, 5548), (2774, 4472), (3139, 3952), (3268, 3796)]