17968085247

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1\times {\mathrm{839}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 29262643200

約数和(自身を除く): 11294557953

約数列:

[1, 3, 7, 17, 21, 51, 119, 239, 251, 357, 717, 753, 839, 1673, 1757, 2517, 4063, 4267, 5019, 5271, 5873, 12189, 12801, 14263, 17619, 28441, 29869, 42789, 59989, 85323, 89607, 99841, 179967, 200521, 210589, 299523, 419923, 601563, 631767, 1019813, 1259769, 1403647, 1474123, 3059439, 3408857, 3580013, 4210941, 4422369, 7138691, 10226571, 10740039, 21416073, 23861999, 25060091, 50330771, 71585997, 75180273, 150992313, 352315397, 855623107, 1056946191, 2566869321, 5989361749, 17968085247]

約数ペア:

[(1, 17968085247), (3, 5989361749), (7, 2566869321), (17, 1056946191), (21, 855623107), (51, 352315397), (119, 150992313), (239, 75180273), (251, 71585997), (357, 50330771), (717, 25060091), (753, 23861999), (839, 21416073), (1673, 10740039), (1757, 10226571), (2517, 7138691), (4063, 4422369), (4267, 4210941), (5019, 3580013), (5271, 3408857), (5873, 3059439), (12189, 1474123), (12801, 1403647), (14263, 1259769), (17619, 1019813), (28441, 631767), (29869, 601563), (42789, 419923), (59989, 299523), (85323, 210589), (89607, 200521), (99841, 179967)]