28809828

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 76684608

約数和(自身を除く): 47874780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 333, 387, 444, 503, 516, 666, 774, 1006, 1332, 1509, 1548, 1591, 2012, 3018, 3182, 4527, 4773, 6036, 6364, 9054, 9546, 14319, 18108, 18611, 19092, 21629, 28638, 37222, 43258, 55833, 57276, 64887, 74444, 86516, 111666, 129774, 167499, 194661, 223332, 259548, 334998, 389322, 669996, 778644, 800273, 1600546, 2400819, 3201092, 4801638, 7202457, 9603276, 14404914, 28809828]

約数ペア:

[(1, 28809828), (2, 14404914), (3, 9603276), (4, 7202457), (6, 4801638), (9, 3201092), (12, 2400819), (18, 1600546), (36, 800273), (37, 778644), (43, 669996), (74, 389322), (86, 334998), (111, 259548), (129, 223332), (148, 194661), (172, 167499), (222, 129774), (258, 111666), (333, 86516), (387, 74444), (444, 64887), (503, 57276), (516, 55833), (666, 43258), (774, 37222), (1006, 28638), (1332, 21629), (1509, 19092), (1548, 18611), (1591, 18108), (2012, 14319), (3018, 9546), (3182, 9054), (4527, 6364), (4773, 6036)]