65078704

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 129389040

約数和(自身を除く): 64310336

約数列:

[1, 2, 4, 8, 16, 61, 122, 131, 244, 262, 488, 509, 524, 976, 1018, 1048, 2036, 2096, 4072, 7991, 8144, 15982, 31049, 31964, 62098, 63928, 66679, 124196, 127856, 133358, 248392, 266716, 496784, 533432, 1066864, 4067419, 8134838, 16269676, 32539352, 65078704]

約数ペア:

[(1, 65078704), (2, 32539352), (4, 16269676), (8, 8134838), (16, 4067419), (61, 1066864), (122, 533432), (131, 496784), (244, 266716), (262, 248392), (488, 133358), (509, 127856), (524, 124196), (976, 66679), (1018, 63928), (1048, 62098), (2036, 31964), (2096, 31049), (4072, 15982), (7991, 8144)]