217229142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 479533824

約数和(自身を除く): 262304682

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 197, 201, 211, 394, 402, 422, 591, 633, 871, 1182, 1266, 1742, 2561, 2613, 2743, 5122, 5226, 5486, 7683, 8229, 13199, 14137, 15366, 16458, 26398, 28274, 39597, 41567, 42411, 79194, 83134, 84822, 124701, 171587, 183781, 249402, 343174, 367562, 514761, 540371, 551343, 1029522, 1080742, 1102686, 1621113, 2784989, 3242226, 5569978, 8354967, 16709934, 36204857, 72409714, 108614571, 217229142]

約数ペア:

[(1, 217229142), (2, 108614571), (3, 72409714), (6, 36204857), (13, 16709934), (26, 8354967), (39, 5569978), (67, 3242226), (78, 2784989), (134, 1621113), (197, 1102686), (201, 1080742), (211, 1029522), (394, 551343), (402, 540371), (422, 514761), (591, 367562), (633, 343174), (871, 249402), (1182, 183781), (1266, 171587), (1742, 124701), (2561, 84822), (2613, 83134), (2743, 79194), (5122, 42411), (5226, 41567), (5486, 39597), (7683, 28274), (8229, 26398), (13199, 16458), (14137, 15366)]