81268068

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3371}}^1$

素因数の和:3433

約数の個数: 72

約数和(自身を含む): 226031904

約数和(自身を除く): 144763836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 1148, 1722, 2009, 3371, 3444, 4018, 6027, 6742, 8036, 10113, 12054, 13484, 20226, 23597, 24108, 40452, 47194, 70791, 94388, 138211, 141582, 165179, 276422, 283164, 330358, 414633, 495537, 552844, 660716, 829266, 967477, 991074, 1658532, 1934954, 1982148, 2902431, 3869908, 5804862, 6772339, 11609724, 13544678, 20317017, 27089356, 40634034, 81268068]

約数ペア:

[(1, 81268068), (2, 40634034), (3, 27089356), (4, 20317017), (6, 13544678), (7, 11609724), (12, 6772339), (14, 5804862), (21, 3869908), (28, 2902431), (41, 1982148), (42, 1934954), (49, 1658532), (82, 991074), (84, 967477), (98, 829266), (123, 660716), (147, 552844), (164, 495537), (196, 414633), (246, 330358), (287, 283164), (294, 276422), (492, 165179), (574, 141582), (588, 138211), (861, 94388), (1148, 70791), (1722, 47194), (2009, 40452), (3371, 24108), (3444, 23597), (4018, 20226), (6027, 13484), (6742, 12054), (8036, 10113)]