201661616

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 463189104

約数和(自身を除く): 261527488

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 41, 52, 68, 82, 104, 107, 136, 164, 169, 208, 214, 221, 272, 328, 338, 428, 442, 533, 656, 676, 697, 856, 884, 1066, 1352, 1391, 1394, 1712, 1768, 1819, 2132, 2704, 2782, 2788, 2873, 3536, 3638, 4264, 4387, 5564, 5576, 5746, 6929, 7276, 8528, 8774, 9061, 11128, 11152, 11492, 13858, 14552, 17548, 18083, 18122, 22256, 22984, 23647, 27716, 29104, 35096, 36166, 36244, 45968, 47294, 55432, 57031, 70192, 72332, 72488, 74579, 94588, 110864, 114062, 117793, 144664, 144976, 149158, 189176, 228124, 235586, 289328, 298316, 307411, 378352, 456248, 471172, 596632, 614822, 741403, 912496, 942344, 969527, 1193264, 1229644, 1482806, 1884688, 1939054, 2459288, 2965612, 3878108, 4918576, 5931224, 7756216, 11862448, 12603851, 15512432, 25207702, 50415404, 100830808, 201661616]

約数ペア:

[(1, 201661616), (2, 100830808), (4, 50415404), (8, 25207702), (13, 15512432), (16, 12603851), (17, 11862448), (26, 7756216), (34, 5931224), (41, 4918576), (52, 3878108), (68, 2965612), (82, 2459288), (104, 1939054), (107, 1884688), (136, 1482806), (164, 1229644), (169, 1193264), (208, 969527), (214, 942344), (221, 912496), (272, 741403), (328, 614822), (338, 596632), (428, 471172), (442, 456248), (533, 378352), (656, 307411), (676, 298316), (697, 289328), (856, 235586), (884, 228124), (1066, 189176), (1352, 149158), (1391, 144976), (1394, 144664), (1712, 117793), (1768, 114062), (1819, 110864), (2132, 94588), (2704, 74579), (2782, 72488), (2788, 72332), (2873, 70192), (3536, 57031), (3638, 55432), (4264, 47294), (4387, 45968), (5564, 36244), (5576, 36166), (5746, 35096), (6929, 29104), (7276, 27716), (8528, 23647), (8774, 22984), (9061, 22256), (11128, 18122), (11152, 18083), (11492, 17548), (13858, 14552)]