78126516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1721}}^1$

素因数の和:1841

約数の個数: 72

約数和(自身を含む): 214995144

約数和(自身を除く): 136868628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 468, 582, 873, 1164, 1261, 1721, 1746, 2522, 3442, 3492, 3783, 5044, 5163, 6884, 7566, 10326, 11349, 15132, 15489, 20652, 22373, 22698, 30978, 44746, 45396, 61956, 67119, 89492, 134238, 166937, 201357, 268476, 333874, 402714, 500811, 667748, 805428, 1001622, 1502433, 2003244, 2170181, 3004866, 4340362, 6009732, 6510543, 8680724, 13021086, 19531629, 26042172, 39063258, 78126516]

約数ペア:

[(1, 78126516), (2, 39063258), (3, 26042172), (4, 19531629), (6, 13021086), (9, 8680724), (12, 6510543), (13, 6009732), (18, 4340362), (26, 3004866), (36, 2170181), (39, 2003244), (52, 1502433), (78, 1001622), (97, 805428), (117, 667748), (156, 500811), (194, 402714), (234, 333874), (291, 268476), (388, 201357), (468, 166937), (582, 134238), (873, 89492), (1164, 67119), (1261, 61956), (1721, 45396), (1746, 44746), (2522, 30978), (3442, 22698), (3492, 22373), (3783, 20652), (5044, 15489), (5163, 15132), (6884, 11349), (7566, 10326)]