1285194976

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{2221}}^1$

素因数の和:2364

約数の個数: 72

約数和(自身を含む): 2766683304

約数和(自身を除く): 1481488328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 107, 169, 208, 214, 338, 416, 428, 676, 856, 1352, 1391, 1712, 2221, 2704, 2782, 3424, 4442, 5408, 5564, 8884, 11128, 17768, 18083, 22256, 28873, 35536, 36166, 44512, 57746, 71072, 72332, 115492, 144664, 230984, 237647, 289328, 375349, 461968, 475294, 578656, 750698, 923936, 950588, 1501396, 1901176, 3002792, 3089411, 3802352, 6005584, 6178822, 7604704, 12011168, 12357644, 24715288, 40162343, 49430576, 80324686, 98861152, 160649372, 321298744, 642597488, 1285194976]

約数ペア:

[(1, 1285194976), (2, 642597488), (4, 321298744), (8, 160649372), (13, 98861152), (16, 80324686), (26, 49430576), (32, 40162343), (52, 24715288), (104, 12357644), (107, 12011168), (169, 7604704), (208, 6178822), (214, 6005584), (338, 3802352), (416, 3089411), (428, 3002792), (676, 1901176), (856, 1501396), (1352, 950588), (1391, 923936), (1712, 750698), (2221, 578656), (2704, 475294), (2782, 461968), (3424, 375349), (4442, 289328), (5408, 237647), (5564, 230984), (8884, 144664), (11128, 115492), (17768, 72332), (18083, 71072), (22256, 57746), (28873, 44512), (35536, 36166)]