388900404

素因数分解:

$2^2\times 3^2\times {\mathrm{193}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 996532992

約数和(自身を除く): 607632588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 193, 223, 251, 386, 446, 502, 579, 669, 753, 772, 892, 1004, 1158, 1338, 1506, 1737, 2007, 2259, 2316, 2676, 3012, 3474, 4014, 4518, 6948, 8028, 9036, 43039, 48443, 55973, 86078, 96886, 111946, 129117, 145329, 167919, 172156, 193772, 223892, 258234, 290658, 335838, 387351, 435987, 503757, 516468, 581316, 671676, 774702, 871974, 1007514, 1549404, 1743948, 2015028, 10802789, 21605578, 32408367, 43211156, 64816734, 97225101, 129633468, 194450202, 388900404]

約数ペア:

[(1, 388900404), (2, 194450202), (3, 129633468), (4, 97225101), (6, 64816734), (9, 43211156), (12, 32408367), (18, 21605578), (36, 10802789), (193, 2015028), (223, 1743948), (251, 1549404), (386, 1007514), (446, 871974), (502, 774702), (579, 671676), (669, 581316), (753, 516468), (772, 503757), (892, 435987), (1004, 387351), (1158, 335838), (1338, 290658), (1506, 258234), (1737, 223892), (2007, 193772), (2259, 172156), (2316, 167919), (2676, 145329), (3012, 129117), (3474, 111946), (4014, 96886), (4518, 86078), (6948, 55973), (8028, 48443), (9036, 43039)]