64439944

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 130233420

約数和(自身を除く): 65793476

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 361, 421, 424, 722, 842, 1007, 1444, 1684, 2014, 2888, 3368, 4028, 7999, 8056, 15998, 19133, 22313, 31996, 38266, 44626, 63992, 76532, 89252, 151981, 153064, 178504, 303962, 423947, 607924, 847894, 1215848, 1695788, 3391576, 8054993, 16109986, 32219972, 64439944]

約数ペア:

[(1, 64439944), (2, 32219972), (4, 16109986), (8, 8054993), (19, 3391576), (38, 1695788), (53, 1215848), (76, 847894), (106, 607924), (152, 423947), (212, 303962), (361, 178504), (421, 153064), (424, 151981), (722, 89252), (842, 76532), (1007, 63992), (1444, 44626), (1684, 38266), (2014, 31996), (2888, 22313), (3368, 19133), (4028, 15998), (7999, 8056)]