861719004

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{599}}^1$

素因数の和:1147

約数の個数: 72

約数和(自身を含む): 2211300000

約数和(自身を除く): 1349580996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 449, 534, 599, 801, 898, 1068, 1198, 1347, 1602, 1796, 1797, 2396, 2694, 3204, 3594, 4041, 5388, 5391, 7188, 8082, 10782, 16164, 21564, 39961, 53311, 79922, 106622, 119883, 159844, 159933, 213244, 239766, 268951, 319866, 359649, 479532, 479799, 537902, 639732, 719298, 806853, 959598, 1075804, 1438596, 1613706, 1919196, 2420559, 3227412, 4841118, 9682236, 23936639, 47873278, 71809917, 95746556, 143619834, 215429751, 287239668, 430859502, 861719004]

約数ペア:

[(1, 861719004), (2, 430859502), (3, 287239668), (4, 215429751), (6, 143619834), (9, 95746556), (12, 71809917), (18, 47873278), (36, 23936639), (89, 9682236), (178, 4841118), (267, 3227412), (356, 2420559), (449, 1919196), (534, 1613706), (599, 1438596), (801, 1075804), (898, 959598), (1068, 806853), (1198, 719298), (1347, 639732), (1602, 537902), (1796, 479799), (1797, 479532), (2396, 359649), (2694, 319866), (3204, 268951), (3594, 239766), (4041, 213244), (5388, 159933), (5391, 159844), (7188, 119883), (8082, 106622), (10782, 79922), (16164, 53311), (21564, 39961)]