338339456

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:1002

約数の個数: 128

約数和(自身を含む): 857256960

約数和(自身を除く): 518917504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 896, 937, 992, 1456, 1612, 1664, 1736, 1874, 1984, 2821, 2912, 3224, 3472, 3748, 3968, 5642, 5824, 6448, 6559, 6944, 7496, 11284, 11648, 12181, 12896, 13118, 13888, 14992, 22568, 24362, 25792, 26236, 27776, 29047, 29984, 45136, 48724, 51584, 52472, 58094, 59968, 85267, 90272, 97448, 104944, 116188, 119936, 170534, 180544, 194896, 203329, 209888, 232376, 341068, 361088, 377611, 389792, 406658, 419776, 464752, 682136, 755222, 779584, 813316, 839552, 929504, 1364272, 1510444, 1559168, 1626632, 1859008, 2643277, 2728544, 3020888, 3253264, 3718016, 5286554, 5457088, 6041776, 6506528, 10573108, 10914176, 12083552, 13013056, 21146216, 24167104, 26026112, 42292432, 48334208, 84584864, 169169728, 338339456]

約数ペア:

[(1, 338339456), (2, 169169728), (4, 84584864), (7, 48334208), (8, 42292432), (13, 26026112), (14, 24167104), (16, 21146216), (26, 13013056), (28, 12083552), (31, 10914176), (32, 10573108), (52, 6506528), (56, 6041776), (62, 5457088), (64, 5286554), (91, 3718016), (104, 3253264), (112, 3020888), (124, 2728544), (128, 2643277), (182, 1859008), (208, 1626632), (217, 1559168), (224, 1510444), (248, 1364272), (364, 929504), (403, 839552), (416, 813316), (434, 779584), (448, 755222), (496, 682136), (728, 464752), (806, 419776), (832, 406658), (868, 389792), (896, 377611), (937, 361088), (992, 341068), (1456, 232376), (1612, 209888), (1664, 203329), (1736, 194896), (1874, 180544), (1984, 170534), (2821, 119936), (2912, 116188), (3224, 104944), (3472, 97448), (3748, 90272), (3968, 85267), (5642, 59968), (5824, 58094), (6448, 52472), (6559, 51584), (6944, 48724), (7496, 45136), (11284, 29984), (11648, 29047), (12181, 27776), (12896, 26236), (13118, 25792), (13888, 24362), (14992, 22568)]