278314652

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 635142144

約数和(自身を除く): 356827492

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 103, 124, 154, 206, 217, 283, 308, 341, 412, 434, 566, 682, 721, 868, 1132, 1133, 1364, 1442, 1981, 2266, 2387, 2884, 3113, 3193, 3962, 4532, 4774, 6226, 6386, 7924, 7931, 8773, 9548, 12452, 12772, 15862, 17546, 21791, 22351, 29149, 31724, 35092, 35123, 43582, 44702, 58298, 61411, 70246, 87164, 89404, 96503, 116596, 122822, 140492, 193006, 204043, 245644, 245861, 320639, 386012, 408086, 491722, 641278, 675521, 816172, 903619, 983444, 1282556, 1351042, 1807238, 2244473, 2702084, 3614476, 4488946, 6325333, 8977892, 9939809, 12650666, 19879618, 25301332, 39759236, 69578663, 139157326, 278314652]

約数ペア:

[(1, 278314652), (2, 139157326), (4, 69578663), (7, 39759236), (11, 25301332), (14, 19879618), (22, 12650666), (28, 9939809), (31, 8977892), (44, 6325333), (62, 4488946), (77, 3614476), (103, 2702084), (124, 2244473), (154, 1807238), (206, 1351042), (217, 1282556), (283, 983444), (308, 903619), (341, 816172), (412, 675521), (434, 641278), (566, 491722), (682, 408086), (721, 386012), (868, 320639), (1132, 245861), (1133, 245644), (1364, 204043), (1442, 193006), (1981, 140492), (2266, 122822), (2387, 116596), (2884, 96503), (3113, 89404), (3193, 87164), (3962, 70246), (4532, 61411), (4774, 58298), (6226, 44702), (6386, 43582), (7924, 35123), (7931, 35092), (8773, 31724), (9548, 29149), (12452, 22351), (12772, 21791), (15862, 17546)]