31997738128

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{133493}}^1$

素因数の和:133783

約数の個数: 40

約数和(自身を含む): 63167224896

約数和(自身を除く): 31169486768

約数列:

[1, 2, 4, 8, 16, 71, 142, 211, 284, 422, 568, 844, 1136, 1688, 3376, 14981, 29962, 59924, 119848, 133493, 239696, 266986, 533972, 1067944, 2135888, 9478003, 18956006, 28167023, 37912012, 56334046, 75824024, 112668092, 151648048, 225336184, 450672368, 1999858633, 3999717266, 7999434532, 15998869064, 31997738128]

約数ペア:

[(1, 31997738128), (2, 15998869064), (4, 7999434532), (8, 3999717266), (16, 1999858633), (71, 450672368), (142, 225336184), (211, 151648048), (284, 112668092), (422, 75824024), (568, 56334046), (844, 37912012), (1136, 28167023), (1688, 18956006), (3376, 9478003), (14981, 2135888), (29962, 1067944), (59924, 533972), (119848, 266986), (133493, 239696)]