81673956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 257572224

約数和(自身を除く): 175898268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 107, 117, 126, 156, 182, 214, 233, 234, 252, 273, 321, 364, 428, 466, 468, 546, 642, 699, 749, 819, 932, 963, 1092, 1284, 1391, 1398, 1498, 1631, 1638, 1926, 2097, 2247, 2782, 2796, 2996, 3029, 3262, 3276, 3852, 4173, 4194, 4494, 4893, 5564, 6058, 6524, 6741, 8346, 8388, 8988, 9087, 9737, 9786, 12116, 12519, 13482, 14679, 16692, 18174, 19474, 19572, 21203, 24931, 25038, 26964, 27261, 29211, 29358, 36348, 38948, 42406, 49862, 50076, 54522, 58422, 58716, 63609, 74793, 84812, 87633, 99724, 109044, 116844, 127218, 149586, 174517, 175266, 190827, 224379, 254436, 299172, 324103, 349034, 350532, 381654, 448758, 523551, 648206, 698068, 763308, 897516, 972309, 1047102, 1296412, 1570653, 1944618, 2094204, 2268721, 2916927, 3141306, 3889236, 4537442, 5833854, 6282612, 6806163, 9074884, 11667708, 13612326, 20418489, 27224652, 40836978, 81673956]

約数ペア:

[(1, 81673956), (2, 40836978), (3, 27224652), (4, 20418489), (6, 13612326), (7, 11667708), (9, 9074884), (12, 6806163), (13, 6282612), (14, 5833854), (18, 4537442), (21, 3889236), (26, 3141306), (28, 2916927), (36, 2268721), (39, 2094204), (42, 1944618), (52, 1570653), (63, 1296412), (78, 1047102), (84, 972309), (91, 897516), (107, 763308), (117, 698068), (126, 648206), (156, 523551), (182, 448758), (214, 381654), (233, 350532), (234, 349034), (252, 324103), (273, 299172), (321, 254436), (364, 224379), (428, 190827), (466, 175266), (468, 174517), (546, 149586), (642, 127218), (699, 116844), (749, 109044), (819, 99724), (932, 87633), (963, 84812), (1092, 74793), (1284, 63609), (1391, 58716), (1398, 58422), (1498, 54522), (1631, 50076), (1638, 49862), (1926, 42406), (2097, 38948), (2247, 36348), (2782, 29358), (2796, 29211), (2996, 27261), (3029, 26964), (3262, 25038), (3276, 24931), (3852, 21203), (4173, 19572), (4194, 19474), (4494, 18174), (4893, 16692), (5564, 14679), (6058, 13482), (6524, 12519), (6741, 12116), (8346, 9786), (8388, 9737), (8988, 9087)]