686206128

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{199}}^2$

素因数の和:447

約数の個数: 90

約数和(自身を含む): 1880358444

約数和(自身を除く): 1194152316

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 199, 228, 304, 361, 398, 456, 597, 722, 796, 912, 1083, 1194, 1444, 1592, 2166, 2388, 2888, 3184, 3781, 4332, 4776, 5776, 7562, 8664, 9552, 11343, 15124, 17328, 22686, 30248, 39601, 45372, 60496, 71839, 79202, 90744, 118803, 143678, 158404, 181488, 215517, 237606, 287356, 316808, 431034, 475212, 574712, 633616, 752419, 862068, 950424, 1149424, 1504838, 1724136, 1900848, 2257257, 3009676, 3448272, 4514514, 6019352, 9029028, 12038704, 14295961, 18058056, 28591922, 36116112, 42887883, 57183844, 85775766, 114367688, 171551532, 228735376, 343103064, 686206128]

約数ペア:

[(1, 686206128), (2, 343103064), (3, 228735376), (4, 171551532), (6, 114367688), (8, 85775766), (12, 57183844), (16, 42887883), (19, 36116112), (24, 28591922), (38, 18058056), (48, 14295961), (57, 12038704), (76, 9029028), (114, 6019352), (152, 4514514), (199, 3448272), (228, 3009676), (304, 2257257), (361, 1900848), (398, 1724136), (456, 1504838), (597, 1149424), (722, 950424), (796, 862068), (912, 752419), (1083, 633616), (1194, 574712), (1444, 475212), (1592, 431034), (2166, 316808), (2388, 287356), (2888, 237606), (3184, 215517), (3781, 181488), (4332, 158404), (4776, 143678), (5776, 118803), (7562, 90744), (8664, 79202), (9552, 71839), (11343, 60496), (15124, 45372), (17328, 39601), (22686, 30248)]