81661216

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1026

約数の個数: 96

約数和(自身を含む): 204906240

約数和(自身を除く): 123245024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 32, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 224, 232, 364, 377, 406, 416, 464, 728, 754, 812, 928, 967, 1456, 1508, 1624, 1934, 2639, 2912, 3016, 3248, 3868, 5278, 6032, 6496, 6769, 7736, 10556, 12064, 12571, 13538, 15472, 21112, 25142, 27076, 28043, 30944, 42224, 50284, 54152, 56086, 84448, 87997, 100568, 108304, 112172, 175994, 196301, 201136, 216608, 224344, 351988, 364559, 392602, 402272, 448688, 703976, 729118, 785204, 897376, 1407952, 1458236, 1570408, 2551913, 2815904, 2916472, 3140816, 5103826, 5832944, 6281632, 10207652, 11665888, 20415304, 40830608, 81661216]

約数ペア:

[(1, 81661216), (2, 40830608), (4, 20415304), (7, 11665888), (8, 10207652), (13, 6281632), (14, 5832944), (16, 5103826), (26, 3140816), (28, 2916472), (29, 2815904), (32, 2551913), (52, 1570408), (56, 1458236), (58, 1407952), (91, 897376), (104, 785204), (112, 729118), (116, 703976), (182, 448688), (203, 402272), (208, 392602), (224, 364559), (232, 351988), (364, 224344), (377, 216608), (406, 201136), (416, 196301), (464, 175994), (728, 112172), (754, 108304), (812, 100568), (928, 87997), (967, 84448), (1456, 56086), (1508, 54152), (1624, 50284), (1934, 42224), (2639, 30944), (2912, 28043), (3016, 27076), (3248, 25142), (3868, 21112), (5278, 15472), (6032, 13538), (6496, 12571), (6769, 12064), (7736, 10556)]