217064666

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 419758080

約数和(自身を除く): 202693414

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 79, 91, 158, 182, 217, 403, 434, 487, 553, 806, 974, 1027, 1106, 2054, 2449, 2821, 3409, 4898, 5642, 6331, 6818, 7189, 12662, 14378, 15097, 17143, 30194, 31837, 34286, 38473, 44317, 63674, 76946, 88634, 105679, 196261, 211358, 222859, 269311, 392522, 445718, 500149, 538622, 1000298, 1192663, 1373827, 2385326, 2747654, 3501043, 7002086, 8348641, 15504619, 16697282, 31009238, 108532333, 217064666]

約数ペア:

[(1, 217064666), (2, 108532333), (7, 31009238), (13, 16697282), (14, 15504619), (26, 8348641), (31, 7002086), (62, 3501043), (79, 2747654), (91, 2385326), (158, 1373827), (182, 1192663), (217, 1000298), (403, 538622), (434, 500149), (487, 445718), (553, 392522), (806, 269311), (974, 222859), (1027, 211358), (1106, 196261), (2054, 105679), (2449, 88634), (2821, 76946), (3409, 63674), (4898, 44317), (5642, 38473), (6331, 34286), (6818, 31837), (7189, 30194), (12662, 17143), (14378, 15097)]