28641768

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 74718720

約数和(自身を除く): 46076952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 137, 186, 248, 274, 281, 372, 411, 548, 562, 744, 822, 843, 1096, 1124, 1644, 1686, 2248, 3288, 3372, 4247, 6744, 8494, 8711, 12741, 16988, 17422, 25482, 26133, 33976, 34844, 38497, 50964, 52266, 69688, 76994, 101928, 104532, 115491, 153988, 209064, 230982, 307976, 461964, 923928, 1193407, 2386814, 3580221, 4773628, 7160442, 9547256, 14320884, 28641768]

約数ペア:

[(1, 28641768), (2, 14320884), (3, 9547256), (4, 7160442), (6, 4773628), (8, 3580221), (12, 2386814), (24, 1193407), (31, 923928), (62, 461964), (93, 307976), (124, 230982), (137, 209064), (186, 153988), (248, 115491), (274, 104532), (281, 101928), (372, 76994), (411, 69688), (548, 52266), (562, 50964), (744, 38497), (822, 34844), (843, 33976), (1096, 26133), (1124, 25482), (1644, 17422), (1686, 16988), (2248, 12741), (3288, 8711), (3372, 8494), (4247, 6744)]