871568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 1845120

約数和(自身を除く): 973552

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 61, 76, 94, 122, 152, 188, 244, 304, 376, 488, 752, 893, 976, 1159, 1786, 2318, 2867, 3572, 4636, 5734, 7144, 9272, 11468, 14288, 18544, 22936, 45872, 54473, 108946, 217892, 435784, 871568]

約数ペア:

[(1, 871568), (2, 435784), (4, 217892), (8, 108946), (16, 54473), (19, 45872), (38, 22936), (47, 18544), (61, 14288), (76, 11468), (94, 9272), (122, 7144), (152, 5734), (188, 4636), (244, 3572), (304, 2867), (376, 2318), (488, 1786), (752, 1159), (893, 976)]