81600136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 178070400

約数和(自身を除く): 96470264

約数列:

[1, 2, 4, 8, 17, 19, 23, 34, 38, 46, 68, 76, 92, 136, 152, 184, 323, 391, 437, 646, 782, 874, 1292, 1373, 1564, 1748, 2584, 2746, 3128, 3496, 5492, 7429, 10984, 14858, 23341, 26087, 29716, 31579, 46682, 52174, 59432, 63158, 93364, 104348, 126316, 186728, 208696, 252632, 443479, 536843, 600001, 886958, 1073686, 1200002, 1773916, 2147372, 2400004, 3547832, 4294744, 4800008, 10200017, 20400034, 40800068, 81600136]

約数ペア:

[(1, 81600136), (2, 40800068), (4, 20400034), (8, 10200017), (17, 4800008), (19, 4294744), (23, 3547832), (34, 2400004), (38, 2147372), (46, 1773916), (68, 1200002), (76, 1073686), (92, 886958), (136, 600001), (152, 536843), (184, 443479), (323, 252632), (391, 208696), (437, 186728), (646, 126316), (782, 104348), (874, 93364), (1292, 63158), (1373, 59432), (1564, 52174), (1748, 46682), (2584, 31579), (2746, 29716), (3128, 26087), (3496, 23341), (5492, 14858), (7429, 10984)]