64450048

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 80

約数和(自身を含む): 145053216

約数和(自身を除く): 80603168

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 256, 299, 368, 416, 421, 512, 598, 736, 832, 842, 1196, 1472, 1664, 1684, 2392, 2944, 3328, 3368, 4784, 5473, 5888, 6656, 6736, 9568, 9683, 10946, 11776, 13472, 19136, 19366, 21892, 26944, 38272, 38732, 43784, 53888, 76544, 77464, 87568, 107776, 125879, 153088, 154928, 175136, 215552, 251758, 309856, 350272, 503516, 619712, 700544, 1007032, 1239424, 1401088, 2014064, 2478848, 2802176, 4028128, 4957696, 8056256, 16112512, 32225024, 64450048]

約数ペア:

[(1, 64450048), (2, 32225024), (4, 16112512), (8, 8056256), (13, 4957696), (16, 4028128), (23, 2802176), (26, 2478848), (32, 2014064), (46, 1401088), (52, 1239424), (64, 1007032), (92, 700544), (104, 619712), (128, 503516), (184, 350272), (208, 309856), (256, 251758), (299, 215552), (368, 175136), (416, 154928), (421, 153088), (512, 125879), (598, 107776), (736, 87568), (832, 77464), (842, 76544), (1196, 53888), (1472, 43784), (1664, 38732), (1684, 38272), (2392, 26944), (2944, 21892), (3328, 19366), (3368, 19136), (4784, 13472), (5473, 11776), (5888, 10946), (6656, 9683), (6736, 9568)]