388935344

素因数分解:

$2^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 914316480

約数和(自身を除く): 525381136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 83, 86, 98, 112, 139, 166, 172, 196, 278, 301, 332, 344, 392, 556, 581, 602, 664, 688, 784, 973, 1112, 1162, 1204, 1328, 1946, 2107, 2224, 2324, 2408, 3569, 3892, 4067, 4214, 4648, 4816, 5977, 6811, 7138, 7784, 8134, 8428, 9296, 11537, 11954, 13622, 14276, 15568, 16268, 16856, 23074, 23908, 24983, 27244, 28552, 32536, 33712, 41839, 46148, 47816, 49966, 54488, 57104, 65072, 80759, 83678, 92296, 95632, 99932, 108976, 161518, 167356, 174881, 184592, 199864, 292873, 323036, 334712, 349762, 399728, 496091, 565313, 585746, 646072, 669424, 699524, 992182, 1130626, 1171492, 1292144, 1399048, 1984364, 2261252, 2342984, 2798096, 3472637, 3968728, 4522504, 4685968, 6945274, 7937456, 9045008, 13890548, 24308459, 27781096, 48616918, 55562192, 97233836, 194467672, 388935344]

約数ペア:

[(1, 388935344), (2, 194467672), (4, 97233836), (7, 55562192), (8, 48616918), (14, 27781096), (16, 24308459), (28, 13890548), (43, 9045008), (49, 7937456), (56, 6945274), (83, 4685968), (86, 4522504), (98, 3968728), (112, 3472637), (139, 2798096), (166, 2342984), (172, 2261252), (196, 1984364), (278, 1399048), (301, 1292144), (332, 1171492), (344, 1130626), (392, 992182), (556, 699524), (581, 669424), (602, 646072), (664, 585746), (688, 565313), (784, 496091), (973, 399728), (1112, 349762), (1162, 334712), (1204, 323036), (1328, 292873), (1946, 199864), (2107, 184592), (2224, 174881), (2324, 167356), (2408, 161518), (3569, 108976), (3892, 99932), (4067, 95632), (4214, 92296), (4648, 83678), (4816, 80759), (5977, 65072), (6811, 57104), (7138, 54488), (7784, 49966), (8134, 47816), (8428, 46148), (9296, 41839), (11537, 33712), (11954, 32536), (13622, 28552), (14276, 27244), (15568, 24983), (16268, 23908), (16856, 23074)]