78697216

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 108

約数和(自身を含む): 181789272

約数和(自身を除く): 103092056

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 107, 128, 136, 169, 208, 214, 221, 256, 272, 338, 416, 428, 442, 544, 676, 832, 856, 884, 1088, 1352, 1391, 1664, 1712, 1768, 1819, 2176, 2704, 2782, 2873, 3328, 3424, 3536, 3638, 4352, 5408, 5564, 5746, 6848, 7072, 7276, 10816, 11128, 11492, 13696, 14144, 14552, 18083, 21632, 22256, 22984, 23647, 27392, 28288, 29104, 36166, 43264, 44512, 45968, 47294, 56576, 58208, 72332, 89024, 91936, 94588, 116416, 144664, 178048, 183872, 189176, 232832, 289328, 307411, 356096, 367744, 378352, 465664, 578656, 614822, 735488, 756704, 1157312, 1229644, 1513408, 2314624, 2459288, 3026816, 4629248, 4918576, 6053632, 9837152, 19674304, 39348608, 78697216]

約数ペア:

[(1, 78697216), (2, 39348608), (4, 19674304), (8, 9837152), (13, 6053632), (16, 4918576), (17, 4629248), (26, 3026816), (32, 2459288), (34, 2314624), (52, 1513408), (64, 1229644), (68, 1157312), (104, 756704), (107, 735488), (128, 614822), (136, 578656), (169, 465664), (208, 378352), (214, 367744), (221, 356096), (256, 307411), (272, 289328), (338, 232832), (416, 189176), (428, 183872), (442, 178048), (544, 144664), (676, 116416), (832, 94588), (856, 91936), (884, 89024), (1088, 72332), (1352, 58208), (1391, 56576), (1664, 47294), (1712, 45968), (1768, 44512), (1819, 43264), (2176, 36166), (2704, 29104), (2782, 28288), (2873, 27392), (3328, 23647), (3424, 22984), (3536, 22256), (3638, 21632), (4352, 18083), (5408, 14552), (5564, 14144), (5746, 13696), (6848, 11492), (7072, 11128), (7276, 10816)]