66438272

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 137610240

約数和(自身を除く): 71171968

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 67, 122, 127, 128, 134, 244, 254, 268, 488, 508, 536, 976, 1016, 1072, 1952, 2032, 2144, 3904, 4064, 4087, 4288, 7747, 7808, 8128, 8174, 8509, 8576, 15494, 16256, 16348, 17018, 30988, 32696, 34036, 61976, 65392, 68072, 123952, 130784, 136144, 247904, 261568, 272288, 495808, 519049, 523136, 544576, 991616, 1038098, 1089152, 2076196, 4152392, 8304784, 16609568, 33219136, 66438272]

約数ペア:

[(1, 66438272), (2, 33219136), (4, 16609568), (8, 8304784), (16, 4152392), (32, 2076196), (61, 1089152), (64, 1038098), (67, 991616), (122, 544576), (127, 523136), (128, 519049), (134, 495808), (244, 272288), (254, 261568), (268, 247904), (488, 136144), (508, 130784), (536, 123952), (976, 68072), (1016, 65392), (1072, 61976), (1952, 34036), (2032, 32696), (2144, 30988), (3904, 17018), (4064, 16348), (4087, 16256), (4288, 15494), (7747, 8576), (7808, 8509), (8128, 8174)]