27826778

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 49824768

約数和(自身を除く): 21997990

約数列:

[1, 2, 7, 14, 31, 62, 97, 194, 217, 434, 661, 679, 1322, 1358, 3007, 4627, 6014, 9254, 20491, 21049, 40982, 42098, 64117, 128234, 143437, 286874, 448819, 897638, 1987627, 3975254, 13913389, 27826778]

約数ペア:

[(1, 27826778), (2, 13913389), (7, 3975254), (14, 1987627), (31, 897638), (62, 448819), (97, 286874), (194, 143437), (217, 128234), (434, 64117), (661, 42098), (679, 40982), (1322, 21049), (1358, 20491), (3007, 9254), (4627, 6014)]