206851645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 342590976

約数和(自身を除く): 135739331

約数列:

[1, 5, 7, 11, 13, 35, 37, 55, 65, 77, 91, 143, 185, 259, 385, 407, 455, 481, 715, 1001, 1117, 1295, 2035, 2405, 2849, 3367, 5005, 5291, 5585, 7819, 12287, 14245, 14521, 16835, 26455, 37037, 39095, 41329, 61435, 72605, 86009, 101647, 159731, 185185, 206645, 289303, 430045, 454619, 508235, 537277, 798655, 1118117, 1446515, 2273095, 2686385, 3182333, 3760939, 5590585, 5910047, 15911665, 18804695, 29550235, 41370329, 206851645]

約数ペア:

[(1, 206851645), (5, 41370329), (7, 29550235), (11, 18804695), (13, 15911665), (35, 5910047), (37, 5590585), (55, 3760939), (65, 3182333), (77, 2686385), (91, 2273095), (143, 1446515), (185, 1118117), (259, 798655), (385, 537277), (407, 508235), (455, 454619), (481, 430045), (715, 289303), (1001, 206645), (1117, 185185), (1295, 159731), (2035, 101647), (2405, 86009), (2849, 72605), (3367, 61435), (5005, 41329), (5291, 39095), (5585, 37037), (7819, 26455), (12287, 16835), (14245, 14521)]