212889666

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 475517952

約数和(自身を除く): 262628286

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 181, 213, 251, 362, 426, 502, 543, 753, 781, 1086, 1506, 1562, 1991, 2343, 2761, 3982, 4686, 5522, 5973, 8283, 11946, 12851, 16566, 17821, 25702, 35642, 38553, 45431, 53463, 77106, 90862, 106926, 136293, 141361, 196031, 272586, 282722, 392062, 424083, 499741, 588093, 848166, 999482, 1176186, 1499223, 2998446, 3225601, 6451202, 9676803, 19353606, 35481611, 70963222, 106444833, 212889666]

約数ペア:

[(1, 212889666), (2, 106444833), (3, 70963222), (6, 35481611), (11, 19353606), (22, 9676803), (33, 6451202), (66, 3225601), (71, 2998446), (142, 1499223), (181, 1176186), (213, 999482), (251, 848166), (362, 588093), (426, 499741), (502, 424083), (543, 392062), (753, 282722), (781, 272586), (1086, 196031), (1506, 141361), (1562, 136293), (1991, 106926), (2343, 90862), (2761, 77106), (3982, 53463), (4686, 45431), (5522, 38553), (5973, 35642), (8283, 25702), (11946, 17821), (12851, 16566)]