71990514

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 160658784

約数和(自身を除く): 88668270

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 281, 331, 387, 562, 662, 774, 843, 993, 1686, 1986, 2529, 2979, 5058, 5958, 12083, 14233, 24166, 28466, 36249, 42699, 72498, 85398, 93011, 108747, 128097, 186022, 217494, 256194, 279033, 558066, 837099, 1674198, 3999473, 7998946, 11998419, 23996838, 35995257, 71990514]

約数ペア:

[(1, 71990514), (2, 35995257), (3, 23996838), (6, 11998419), (9, 7998946), (18, 3999473), (43, 1674198), (86, 837099), (129, 558066), (258, 279033), (281, 256194), (331, 217494), (387, 186022), (562, 128097), (662, 108747), (774, 93011), (843, 85398), (993, 72498), (1686, 42699), (1986, 36249), (2529, 28466), (2979, 24166), (5058, 14233), (5958, 12083)]