399561708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{997}}^1$

素因数の和:1391

約数の個数: 96

約数和(自身を含む): 1151739904

約数和(自身を除く): 752178196

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 367, 546, 734, 997, 1092, 1101, 1468, 1994, 2202, 2569, 2991, 3988, 4404, 4771, 5138, 5982, 6979, 7707, 9542, 10276, 11964, 12961, 13958, 14313, 15414, 19084, 20937, 25922, 27916, 28626, 30828, 33397, 38883, 41874, 51844, 57252, 66794, 77766, 83748, 90727, 100191, 133588, 155532, 181454, 200382, 272181, 362908, 365899, 400764, 544362, 731798, 1088724, 1097697, 1463596, 2195394, 2561293, 4390788, 4756687, 5122586, 7683879, 9513374, 10245172, 14270061, 15367758, 19026748, 28540122, 30735516, 33296809, 57080244, 66593618, 99890427, 133187236, 199780854, 399561708]

約数ペア:

[(1, 399561708), (2, 199780854), (3, 133187236), (4, 99890427), (6, 66593618), (7, 57080244), (12, 33296809), (13, 30735516), (14, 28540122), (21, 19026748), (26, 15367758), (28, 14270061), (39, 10245172), (42, 9513374), (52, 7683879), (78, 5122586), (84, 4756687), (91, 4390788), (156, 2561293), (182, 2195394), (273, 1463596), (364, 1097697), (367, 1088724), (546, 731798), (734, 544362), (997, 400764), (1092, 365899), (1101, 362908), (1468, 272181), (1994, 200382), (2202, 181454), (2569, 155532), (2991, 133588), (3988, 100191), (4404, 90727), (4771, 83748), (5138, 77766), (5982, 66794), (6979, 57252), (7707, 51844), (9542, 41874), (10276, 38883), (11964, 33397), (12961, 30828), (13958, 28626), (14313, 27916), (15414, 25922), (19084, 20937)]