81343276

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 167924736

約数和(自身を除く): 86581460

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 113, 188, 226, 329, 452, 547, 658, 791, 1094, 1316, 1582, 2188, 3164, 3829, 5311, 7658, 10622, 15316, 21244, 25709, 37177, 51418, 61811, 74354, 102836, 123622, 148708, 179963, 247244, 359926, 432677, 719852, 865354, 1730708, 2905117, 5810234, 11620468, 20335819, 40671638, 81343276]

約数ペア:

[(1, 81343276), (2, 40671638), (4, 20335819), (7, 11620468), (14, 5810234), (28, 2905117), (47, 1730708), (94, 865354), (113, 719852), (188, 432677), (226, 359926), (329, 247244), (452, 179963), (547, 148708), (658, 123622), (791, 102836), (1094, 74354), (1316, 61811), (1582, 51418), (2188, 37177), (3164, 25709), (3829, 21244), (5311, 15316), (7658, 10622)]