64428468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21737}}^1$

素因数の和:21776

約数の個数: 48

約数和(自身を含む): 170425920

約数和(自身を除く): 105997452

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 21737, 43474, 65211, 86948, 130422, 260844, 282581, 413003, 565162, 826006, 847743, 1130324, 1239009, 1652012, 1695486, 2478018, 3390972, 4956036, 5369039, 10738078, 16107117, 21476156, 32214234, 64428468]

約数ペア:

[(1, 64428468), (2, 32214234), (3, 21476156), (4, 16107117), (6, 10738078), (12, 5369039), (13, 4956036), (19, 3390972), (26, 2478018), (38, 1695486), (39, 1652012), (52, 1239009), (57, 1130324), (76, 847743), (78, 826006), (114, 565162), (156, 413003), (228, 282581), (247, 260844), (494, 130422), (741, 86948), (988, 65211), (1482, 43474), (2964, 21737)]