818459968

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{32707}}^1$

素因数の和:32759

約数の個数: 56

約数和(自身を含む): 1794491712

約数和(自身を除く): 976031744

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1088, 1472, 1564, 3128, 6256, 12512, 25024, 32707, 65414, 130828, 261656, 523312, 556019, 752261, 1046624, 1112038, 1504522, 2093248, 2224076, 3009044, 4448152, 6018088, 8896304, 12036176, 12788437, 17792608, 24072352, 25576874, 35585216, 48144704, 51153748, 102307496, 204614992, 409229984, 818459968]

約数ペア:

[(1, 818459968), (2, 409229984), (4, 204614992), (8, 102307496), (16, 51153748), (17, 48144704), (23, 35585216), (32, 25576874), (34, 24072352), (46, 17792608), (64, 12788437), (68, 12036176), (92, 8896304), (136, 6018088), (184, 4448152), (272, 3009044), (368, 2224076), (391, 2093248), (544, 1504522), (736, 1112038), (782, 1046624), (1088, 752261), (1472, 556019), (1564, 523312), (3128, 261656), (6256, 130828), (12512, 65414), (25024, 32707)]