278570526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5009}}^1$

素因数の和:5081

約数の個数: 64

約数和(自身を含む): 646410240

約数和(自身を除く): 367839714

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 186, 299, 403, 598, 713, 806, 897, 1209, 1426, 1794, 2139, 2418, 4278, 5009, 9269, 10018, 15027, 18538, 27807, 30054, 55614, 65117, 115207, 130234, 155279, 195351, 230414, 310558, 345621, 390702, 465837, 691242, 931674, 1497691, 2018627, 2995382, 3571417, 4037254, 4493073, 6055881, 7142834, 8986146, 10714251, 12111762, 21428502, 46428421, 92856842, 139285263, 278570526]

約数ペア:

[(1, 278570526), (2, 139285263), (3, 92856842), (6, 46428421), (13, 21428502), (23, 12111762), (26, 10714251), (31, 8986146), (39, 7142834), (46, 6055881), (62, 4493073), (69, 4037254), (78, 3571417), (93, 2995382), (138, 2018627), (186, 1497691), (299, 931674), (403, 691242), (598, 465837), (713, 390702), (806, 345621), (897, 310558), (1209, 230414), (1426, 195351), (1794, 155279), (2139, 130234), (2418, 115207), (4278, 65117), (5009, 55614), (9269, 30054), (10018, 27807), (15027, 18538)]