81965976

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2543}}^1$

素因数の和:2648

約数の個数: 64

約数和(自身を含む): 219801600

約数和(自身を除く): 137835624

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 79, 102, 136, 158, 204, 237, 316, 408, 474, 632, 948, 1343, 1896, 2543, 2686, 4029, 5086, 5372, 7629, 8058, 10172, 10744, 15258, 16116, 20344, 30516, 32232, 43231, 61032, 86462, 129693, 172924, 200897, 259386, 345848, 401794, 518772, 602691, 803588, 1037544, 1205382, 1607176, 2410764, 3415249, 4821528, 6830498, 10245747, 13660996, 20491494, 27321992, 40982988, 81965976]

約数ペア:

[(1, 81965976), (2, 40982988), (3, 27321992), (4, 20491494), (6, 13660996), (8, 10245747), (12, 6830498), (17, 4821528), (24, 3415249), (34, 2410764), (51, 1607176), (68, 1205382), (79, 1037544), (102, 803588), (136, 602691), (158, 518772), (204, 401794), (237, 345848), (316, 259386), (408, 200897), (474, 172924), (632, 129693), (948, 86462), (1343, 61032), (1896, 43231), (2543, 32232), (2686, 30516), (4029, 20344), (5086, 16116), (5372, 15258), (7629, 10744), (8058, 10172)]