255821982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 572436480

約数和(自身を除く): 316614498

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 241, 403, 439, 482, 723, 806, 878, 1209, 1317, 1446, 2418, 2634, 3133, 5707, 6266, 7471, 9399, 11414, 13609, 14942, 17121, 18798, 22413, 27218, 34242, 40827, 44826, 81654, 97123, 105799, 176917, 194246, 211598, 291369, 317397, 353834, 530751, 582738, 634794, 1061502, 1375387, 2750774, 3279769, 4126161, 6559538, 8252322, 9839307, 19678614, 42636997, 85273994, 127910991, 255821982]

約数ペア:

[(1, 255821982), (2, 127910991), (3, 85273994), (6, 42636997), (13, 19678614), (26, 9839307), (31, 8252322), (39, 6559538), (62, 4126161), (78, 3279769), (93, 2750774), (186, 1375387), (241, 1061502), (403, 634794), (439, 582738), (482, 530751), (723, 353834), (806, 317397), (878, 291369), (1209, 211598), (1317, 194246), (1446, 176917), (2418, 105799), (2634, 97123), (3133, 81654), (5707, 44826), (6266, 40827), (7471, 34242), (9399, 27218), (11414, 22413), (13609, 18798), (14942, 17121)]