81434706145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1\times {\mathrm{1231}}^1$

素因数の和:1634

約数の個数: 64

約数和(自身を含む): 109392611328

約数和(自身を除く): 27957905183

約数列:

[1, 5, 13, 41, 65, 103, 205, 241, 515, 533, 1205, 1231, 1339, 2665, 3133, 4223, 6155, 6695, 9881, 15665, 16003, 21115, 24823, 49405, 50471, 54899, 80015, 124115, 126793, 128453, 252355, 274495, 296671, 322699, 633965, 642265, 656123, 1017743, 1483355, 1613495, 1648309, 3280615, 3856723, 5088715, 5198513, 8241545, 12163511, 13230659, 19283615, 25992565, 30557113, 60817555, 66153295, 67580669, 152785565, 158125643, 337903345, 397242469, 790628215, 1252841633, 1986212345, 6264208165, 16286941229, 81434706145]

約数ペア:

[(1, 81434706145), (5, 16286941229), (13, 6264208165), (41, 1986212345), (65, 1252841633), (103, 790628215), (205, 397242469), (241, 337903345), (515, 158125643), (533, 152785565), (1205, 67580669), (1231, 66153295), (1339, 60817555), (2665, 30557113), (3133, 25992565), (4223, 19283615), (6155, 13230659), (6695, 12163511), (9881, 8241545), (15665, 5198513), (16003, 5088715), (21115, 3856723), (24823, 3280615), (49405, 1648309), (50471, 1613495), (54899, 1483355), (80015, 1017743), (124115, 656123), (126793, 642265), (128453, 633965), (252355, 322699), (274495, 296671)]