2489639278

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{1291}}^1$

素因数の和:1489

約数の個数: 64

約数和(自身を含む): 4581245952

約数和(自身を除く): 2091606674

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 113, 161, 226, 322, 371, 742, 791, 1219, 1291, 1582, 2438, 2582, 2599, 5198, 5989, 8533, 9037, 11978, 17066, 18074, 18193, 29693, 36386, 41923, 59386, 68423, 83846, 136846, 137747, 145883, 207851, 275494, 291766, 415702, 478961, 957922, 964229, 1021181, 1573729, 1928458, 2042362, 3147458, 3355309, 6710618, 7731799, 11016103, 15463598, 22032206, 23487163, 46974326, 54122593, 108245186, 177831377, 355662754, 1244819639, 2489639278]

約数ペア:

[(1, 2489639278), (2, 1244819639), (7, 355662754), (14, 177831377), (23, 108245186), (46, 54122593), (53, 46974326), (106, 23487163), (113, 22032206), (161, 15463598), (226, 11016103), (322, 7731799), (371, 6710618), (742, 3355309), (791, 3147458), (1219, 2042362), (1291, 1928458), (1582, 1573729), (2438, 1021181), (2582, 964229), (2599, 957922), (5198, 478961), (5989, 415702), (8533, 291766), (9037, 275494), (11978, 207851), (17066, 145883), (18074, 137747), (18193, 136846), (29693, 83846), (36386, 68423), (41923, 59386)]