13300000028

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{7559}}^1$

素因数の和:7815

約数の個数: 72

約数和(自身を含む): 27799511040

約数和(自身を除く): 14499511012

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 191, 196, 329, 382, 658, 764, 1316, 1337, 2303, 2674, 4606, 5348, 7559, 8977, 9212, 9359, 15118, 17954, 18718, 30236, 35908, 37436, 52913, 62839, 105826, 125678, 211652, 251356, 355273, 370391, 439873, 710546, 740782, 879746, 1421092, 1443769, 1481564, 1759492, 2486911, 2887538, 4973822, 5775076, 9947644, 10106383, 17408377, 20212766, 34816754, 40425532, 67857143, 69633508, 70744681, 135714286, 141489362, 271428572, 282978724, 475000001, 950000002, 1900000004, 3325000007, 6650000014, 13300000028]

約数ペア:

[(1, 13300000028), (2, 6650000014), (4, 3325000007), (7, 1900000004), (14, 950000002), (28, 475000001), (47, 282978724), (49, 271428572), (94, 141489362), (98, 135714286), (188, 70744681), (191, 69633508), (196, 67857143), (329, 40425532), (382, 34816754), (658, 20212766), (764, 17408377), (1316, 10106383), (1337, 9947644), (2303, 5775076), (2674, 4973822), (4606, 2887538), (5348, 2486911), (7559, 1759492), (8977, 1481564), (9212, 1443769), (9359, 1421092), (15118, 879746), (17954, 740782), (18718, 710546), (30236, 439873), (35908, 370391), (37436, 355273), (52913, 251356), (62839, 211652), (105826, 125678)]