81030404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 185450496

約数和(自身を除く): 104420092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 43, 52, 62, 86, 91, 124, 167, 172, 182, 217, 301, 334, 364, 403, 434, 559, 602, 668, 806, 868, 1118, 1169, 1204, 1333, 1612, 2171, 2236, 2338, 2666, 2821, 3913, 4342, 4676, 5177, 5332, 5642, 7181, 7826, 8684, 9331, 10354, 11284, 14362, 15197, 15652, 17329, 18662, 20708, 28724, 30394, 34658, 36239, 37324, 50267, 60788, 67301, 69316, 72478, 93353, 100534, 121303, 134602, 144956, 186706, 201068, 222611, 242606, 269204, 373412, 445222, 471107, 485212, 653471, 890444, 942214, 1306942, 1558277, 1884428, 2613884, 2893943, 3116554, 5787886, 6233108, 11575772, 20257601, 40515202, 81030404]

約数ペア:

[(1, 81030404), (2, 40515202), (4, 20257601), (7, 11575772), (13, 6233108), (14, 5787886), (26, 3116554), (28, 2893943), (31, 2613884), (43, 1884428), (52, 1558277), (62, 1306942), (86, 942214), (91, 890444), (124, 653471), (167, 485212), (172, 471107), (182, 445222), (217, 373412), (301, 269204), (334, 242606), (364, 222611), (403, 201068), (434, 186706), (559, 144956), (602, 134602), (668, 121303), (806, 100534), (868, 93353), (1118, 72478), (1169, 69316), (1204, 67301), (1333, 60788), (1612, 50267), (2171, 37324), (2236, 36239), (2338, 34658), (2666, 30394), (2821, 28724), (3913, 20708), (4342, 18662), (4676, 17329), (5177, 15652), (5332, 15197), (5642, 14362), (7181, 11284), (7826, 10354), (8684, 9331)]