890221854

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{3527}}^1$

素因数の和:3645

約数の個数: 64

約数和(自身を含む): 1950842880

約数和(自身を除く): 1060621026

約数列:

[1, 2, 3, 6, 23, 31, 46, 59, 62, 69, 93, 118, 138, 177, 186, 354, 713, 1357, 1426, 1829, 2139, 2714, 3527, 3658, 4071, 4278, 5487, 7054, 8142, 10581, 10974, 21162, 42067, 81121, 84134, 109337, 126201, 162242, 208093, 218674, 243363, 252402, 328011, 416186, 486726, 624279, 656022, 1248558, 2514751, 4786139, 5029502, 6450883, 7544253, 9572278, 12901766, 14358417, 15088506, 19352649, 28716834, 38705298, 148370309, 296740618, 445110927, 890221854]

約数ペア:

[(1, 890221854), (2, 445110927), (3, 296740618), (6, 148370309), (23, 38705298), (31, 28716834), (46, 19352649), (59, 15088506), (62, 14358417), (69, 12901766), (93, 9572278), (118, 7544253), (138, 6450883), (177, 5029502), (186, 4786139), (354, 2514751), (713, 1248558), (1357, 656022), (1426, 624279), (1829, 486726), (2139, 416186), (2714, 328011), (3527, 252402), (3658, 243363), (4071, 218674), (4278, 208093), (5487, 162242), (7054, 126201), (8142, 109337), (10581, 84134), (10974, 81121), (21162, 42067)]