399291270874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1\times {\mathrm{4591}}^1$

素因数の和:5347

約数の個数: 64

約数和(自身を含む): 662729195520

約数和(自身を除く): 263437924646

約数列:

[1, 2, 19, 23, 38, 46, 191, 382, 437, 521, 874, 1042, 3629, 4393, 4591, 7258, 8786, 9182, 9899, 11983, 19798, 23966, 83467, 87229, 99511, 105593, 166934, 174458, 199022, 211186, 227677, 455354, 876881, 1753762, 1890709, 2006267, 2288753, 2391911, 3781418, 4012534, 4577506, 4783822, 16660739, 20168263, 33321478, 40336526, 43486307, 45446309, 55013953, 86972614, 90892618, 110027906, 383196997, 456855001, 766393994, 913710002, 1045265107, 2090530214, 8680245019, 10507665023, 17360490038, 21015330046, 199645635437, 399291270874]

約数ペア:

[(1, 399291270874), (2, 199645635437), (19, 21015330046), (23, 17360490038), (38, 10507665023), (46, 8680245019), (191, 2090530214), (382, 1045265107), (437, 913710002), (521, 766393994), (874, 456855001), (1042, 383196997), (3629, 110027906), (4393, 90892618), (4591, 86972614), (7258, 55013953), (8786, 45446309), (9182, 43486307), (9899, 40336526), (11983, 33321478), (19798, 20168263), (23966, 16660739), (83467, 4783822), (87229, 4577506), (99511, 4012534), (105593, 3781418), (166934, 2391911), (174458, 2288753), (199022, 2006267), (211186, 1890709), (227677, 1753762), (455354, 876881)]