679396586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{18911}}^1$

素因数の和:19018

約数の個数: 32

約数和(自身を含む): 1176477696

約数和(自身を除く): 497081110

約数列:

[1, 2, 11, 22, 23, 46, 71, 142, 253, 506, 781, 1562, 1633, 3266, 17963, 18911, 35926, 37822, 208021, 416042, 434953, 869906, 1342681, 2685362, 4784483, 9568966, 14769491, 29538982, 30881663, 61763326, 339698293, 679396586]

約数ペア:

[(1, 679396586), (2, 339698293), (11, 61763326), (22, 30881663), (23, 29538982), (46, 14769491), (71, 9568966), (142, 4784483), (253, 2685362), (506, 1342681), (781, 869906), (1562, 434953), (1633, 416042), (3266, 208021), (17963, 37822), (18911, 35926)]