1388406426

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{1117}}^1$

素因数の和:1679

約数の個数: 64

約数和(自身を含む): 3120024960

約数和(自身を除く): 1731618534

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 509, 814, 1018, 1117, 1221, 1527, 2234, 2442, 3054, 3351, 5599, 6702, 11198, 12287, 16797, 18833, 24574, 33594, 36861, 37666, 41329, 56499, 73722, 82658, 112998, 123987, 207163, 247974, 414326, 454619, 568553, 621489, 909238, 1137106, 1242978, 1363857, 1705659, 2727714, 3411318, 6254083, 12508166, 18762249, 21036461, 37524498, 42072922, 63109383, 126218766, 231401071, 462802142, 694203213, 1388406426]

約数ペア:

[(1, 1388406426), (2, 694203213), (3, 462802142), (6, 231401071), (11, 126218766), (22, 63109383), (33, 42072922), (37, 37524498), (66, 21036461), (74, 18762249), (111, 12508166), (222, 6254083), (407, 3411318), (509, 2727714), (814, 1705659), (1018, 1363857), (1117, 1242978), (1221, 1137106), (1527, 909238), (2234, 621489), (2442, 568553), (3054, 454619), (3351, 414326), (5599, 247974), (6702, 207163), (11198, 123987), (12287, 112998), (16797, 82658), (18833, 73722), (24574, 56499), (33594, 41329), (36861, 37666)]