139221248

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 293158656

約数和(自身を除く): 153937408

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 128, 212, 248, 256, 331, 424, 496, 662, 848, 992, 1324, 1643, 1696, 1984, 2648, 3286, 3392, 3968, 5296, 6572, 6784, 7936, 10261, 10592, 13144, 13568, 17543, 20522, 21184, 26288, 35086, 41044, 42368, 52576, 70172, 82088, 84736, 105152, 140344, 164176, 210304, 280688, 328352, 420608, 543833, 561376, 656704, 1087666, 1122752, 1313408, 2175332, 2245504, 2626816, 4350664, 4491008, 8701328, 17402656, 34805312, 69610624, 139221248]

約数ペア:

[(1, 139221248), (2, 69610624), (4, 34805312), (8, 17402656), (16, 8701328), (31, 4491008), (32, 4350664), (53, 2626816), (62, 2245504), (64, 2175332), (106, 1313408), (124, 1122752), (128, 1087666), (212, 656704), (248, 561376), (256, 543833), (331, 420608), (424, 328352), (496, 280688), (662, 210304), (848, 164176), (992, 140344), (1324, 105152), (1643, 84736), (1696, 82088), (1984, 70172), (2648, 52576), (3286, 42368), (3392, 41044), (3968, 35086), (5296, 26288), (6572, 21184), (6784, 20522), (7936, 17543), (10261, 13568), (10592, 13144)]