81284056

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 180403200

約数和(自身を除く): 99119144

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 89, 94, 178, 188, 329, 347, 356, 376, 623, 658, 694, 712, 1246, 1316, 1388, 2429, 2492, 2632, 2776, 4183, 4858, 4984, 8366, 9716, 16309, 16732, 19432, 29281, 30883, 32618, 33464, 58562, 61766, 65236, 114163, 117124, 123532, 130472, 216181, 228326, 234248, 247064, 432362, 456652, 864724, 913304, 1451501, 1729448, 2903002, 5806004, 10160507, 11612008, 20321014, 40642028, 81284056]

約数ペア:

[(1, 81284056), (2, 40642028), (4, 20321014), (7, 11612008), (8, 10160507), (14, 5806004), (28, 2903002), (47, 1729448), (56, 1451501), (89, 913304), (94, 864724), (178, 456652), (188, 432362), (329, 247064), (347, 234248), (356, 228326), (376, 216181), (623, 130472), (658, 123532), (694, 117124), (712, 114163), (1246, 65236), (1316, 61766), (1388, 58562), (2429, 33464), (2492, 32618), (2632, 30883), (2776, 29281), (4183, 19432), (4858, 16732), (4984, 16309), (8366, 9716)]