28156723188

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{215681}}^1$

素因数の和:215765

約数の個数: 96

約数和(自身を含む): 76527424512

約数和(自身を除く): 48370701324

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 43, 44, 46, 66, 69, 86, 92, 129, 132, 138, 172, 253, 258, 276, 473, 506, 516, 759, 946, 989, 1012, 1419, 1518, 1892, 1978, 2838, 2967, 3036, 3956, 5676, 5934, 10879, 11868, 21758, 32637, 43516, 65274, 130548, 215681, 431362, 647043, 862724, 1294086, 2372491, 2588172, 4744982, 4960663, 7117473, 9274283, 9489964, 9921326, 14234946, 14881989, 18548566, 19842652, 27822849, 28469892, 29763978, 37097132, 54567293, 55645698, 59527956, 102017113, 109134586, 111291396, 163701879, 204034226, 213308509, 218269172, 306051339, 327403758, 408068452, 426617018, 612102678, 639925527, 654807516, 853234036, 1224205356, 1279851054, 2346393599, 2559702108, 4692787198, 7039180797, 9385574396, 14078361594, 28156723188]

約数ペア:

[(1, 28156723188), (2, 14078361594), (3, 9385574396), (4, 7039180797), (6, 4692787198), (11, 2559702108), (12, 2346393599), (22, 1279851054), (23, 1224205356), (33, 853234036), (43, 654807516), (44, 639925527), (46, 612102678), (66, 426617018), (69, 408068452), (86, 327403758), (92, 306051339), (129, 218269172), (132, 213308509), (138, 204034226), (172, 163701879), (253, 111291396), (258, 109134586), (276, 102017113), (473, 59527956), (506, 55645698), (516, 54567293), (759, 37097132), (946, 29763978), (989, 28469892), (1012, 27822849), (1419, 19842652), (1518, 18548566), (1892, 14881989), (1978, 14234946), (2838, 9921326), (2967, 9489964), (3036, 9274283), (3956, 7117473), (5676, 4960663), (5934, 4744982), (10879, 2588172), (11868, 2372491), (21758, 1294086), (32637, 862724), (43516, 647043), (65274, 431362), (130548, 215681)]