28400744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 61560000

約数和(自身を除く): 33159256

約数列:

[1, 2, 4, 8, 17, 19, 29, 34, 38, 58, 68, 76, 116, 136, 152, 232, 323, 379, 493, 551, 646, 758, 986, 1102, 1292, 1516, 1972, 2204, 2584, 3032, 3944, 4408, 6443, 7201, 9367, 10991, 12886, 14402, 18734, 21982, 25772, 28804, 37468, 43964, 51544, 57608, 74936, 87928, 122417, 186847, 208829, 244834, 373694, 417658, 489668, 747388, 835316, 979336, 1494776, 1670632, 3550093, 7100186, 14200372, 28400744]

約数ペア:

[(1, 28400744), (2, 14200372), (4, 7100186), (8, 3550093), (17, 1670632), (19, 1494776), (29, 979336), (34, 835316), (38, 747388), (58, 489668), (68, 417658), (76, 373694), (116, 244834), (136, 208829), (152, 186847), (232, 122417), (323, 87928), (379, 74936), (493, 57608), (551, 51544), (646, 43964), (758, 37468), (986, 28804), (1102, 25772), (1292, 21982), (1516, 18734), (1972, 14402), (2204, 12886), (2584, 10991), (3032, 9367), (3944, 7201), (4408, 6443)]