217927892

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 108

約数和(自身を含む): 499220820

約数和(自身を除く): 281292928

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 89, 91, 98, 124, 178, 182, 196, 217, 356, 364, 403, 434, 623, 637, 806, 868, 961, 1157, 1246, 1274, 1519, 1612, 1922, 2314, 2492, 2548, 2759, 2821, 3038, 3844, 4361, 4628, 5518, 5642, 6076, 6727, 8099, 8722, 11036, 11284, 12493, 13454, 16198, 17444, 19313, 19747, 24986, 26908, 32396, 35867, 38626, 39494, 47089, 49972, 56693, 71734, 77252, 78988, 85529, 87451, 94178, 113386, 135191, 143468, 171058, 174902, 188356, 226772, 251069, 270382, 342116, 349804, 502138, 540764, 598703, 612157, 1004276, 1111877, 1197406, 1224314, 1757483, 2223754, 2394812, 2448628, 3514966, 4190921, 4447508, 7029932, 7783139, 8381842, 15566278, 16763684, 31132556, 54481973, 108963946, 217927892]

約数ペア:

[(1, 217927892), (2, 108963946), (4, 54481973), (7, 31132556), (13, 16763684), (14, 15566278), (26, 8381842), (28, 7783139), (31, 7029932), (49, 4447508), (52, 4190921), (62, 3514966), (89, 2448628), (91, 2394812), (98, 2223754), (124, 1757483), (178, 1224314), (182, 1197406), (196, 1111877), (217, 1004276), (356, 612157), (364, 598703), (403, 540764), (434, 502138), (623, 349804), (637, 342116), (806, 270382), (868, 251069), (961, 226772), (1157, 188356), (1246, 174902), (1274, 171058), (1519, 143468), (1612, 135191), (1922, 113386), (2314, 94178), (2492, 87451), (2548, 85529), (2759, 78988), (2821, 77252), (3038, 71734), (3844, 56693), (4361, 49972), (4628, 47089), (5518, 39494), (5642, 38626), (6076, 35867), (6727, 32396), (8099, 26908), (8722, 24986), (11036, 19747), (11284, 19313), (12493, 17444), (13454, 16198)]