81472576

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:623

約数の個数: 56

約数和(自身を含む): 168661080

約数和(自身を除く): 87188504

約数列:

[1, 2, 4, 8, 16, 32, 41, 61, 64, 82, 122, 164, 244, 328, 488, 509, 656, 976, 1018, 1312, 1952, 2036, 2501, 2624, 3904, 4072, 5002, 8144, 10004, 16288, 20008, 20869, 31049, 32576, 40016, 41738, 62098, 80032, 83476, 124196, 160064, 166952, 248392, 333904, 496784, 667808, 993568, 1273009, 1335616, 1987136, 2546018, 5092036, 10184072, 20368144, 40736288, 81472576]

約数ペア:

[(1, 81472576), (2, 40736288), (4, 20368144), (8, 10184072), (16, 5092036), (32, 2546018), (41, 1987136), (61, 1335616), (64, 1273009), (82, 993568), (122, 667808), (164, 496784), (244, 333904), (328, 248392), (488, 166952), (509, 160064), (656, 124196), (976, 83476), (1018, 80032), (1312, 62098), (1952, 41738), (2036, 40016), (2501, 32576), (2624, 31049), (3904, 20869), (4072, 20008), (5002, 16288), (8144, 10004)]