217558816

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:594

約数の個数: 72

約数和(自身を含む): 465178140

約数和(自身を除く): 247619324

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 361, 509, 592, 608, 703, 722, 1018, 1184, 1406, 1444, 2036, 2812, 2888, 4072, 5624, 5776, 8144, 9671, 11248, 11552, 13357, 16288, 18833, 19342, 22496, 26714, 37666, 38684, 53428, 75332, 77368, 106856, 150664, 154736, 183749, 213712, 301328, 309472, 357827, 367498, 427424, 602656, 715654, 734996, 1431308, 1469992, 2862616, 2939984, 5725232, 5879968, 6798713, 11450464, 13597426, 27194852, 54389704, 108779408, 217558816]

約数ペア:

[(1, 217558816), (2, 108779408), (4, 54389704), (8, 27194852), (16, 13597426), (19, 11450464), (32, 6798713), (37, 5879968), (38, 5725232), (74, 2939984), (76, 2862616), (148, 1469992), (152, 1431308), (296, 734996), (304, 715654), (361, 602656), (509, 427424), (592, 367498), (608, 357827), (703, 309472), (722, 301328), (1018, 213712), (1184, 183749), (1406, 154736), (1444, 150664), (2036, 106856), (2812, 77368), (2888, 75332), (4072, 53428), (5624, 38684), (5776, 37666), (8144, 26714), (9671, 22496), (11248, 19342), (11552, 18833), (13357, 16288)]