81304884

素因数分解:

$2^2\times 3^5\times {\mathrm{233}}^1\times {\mathrm{359}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 214643520

約数和(自身を除く): 133338636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 233, 243, 324, 359, 466, 486, 699, 718, 932, 972, 1077, 1398, 1436, 2097, 2154, 2796, 3231, 4194, 4308, 6291, 6462, 8388, 9693, 12582, 12924, 18873, 19386, 25164, 29079, 37746, 38772, 56619, 58158, 75492, 83647, 87237, 113238, 116316, 167294, 174474, 226476, 250941, 334588, 348948, 501882, 752823, 1003764, 1505646, 2258469, 3011292, 4516938, 6775407, 9033876, 13550814, 20326221, 27101628, 40652442, 81304884]

約数ペア:

[(1, 81304884), (2, 40652442), (3, 27101628), (4, 20326221), (6, 13550814), (9, 9033876), (12, 6775407), (18, 4516938), (27, 3011292), (36, 2258469), (54, 1505646), (81, 1003764), (108, 752823), (162, 501882), (233, 348948), (243, 334588), (324, 250941), (359, 226476), (466, 174474), (486, 167294), (699, 116316), (718, 113238), (932, 87237), (972, 83647), (1077, 75492), (1398, 58158), (1436, 56619), (2097, 38772), (2154, 37746), (2796, 29079), (3231, 25164), (4194, 19386), (4308, 18873), (6291, 12924), (6462, 12582), (8388, 9693)]