25142788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 49984704

約数和(自身を除く): 24841916

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 97, 137, 172, 194, 274, 388, 473, 548, 946, 1067, 1507, 1892, 2134, 3014, 4171, 4268, 5891, 6028, 8342, 11782, 13289, 16684, 23564, 26578, 45881, 53156, 64801, 91762, 129602, 146179, 183524, 259204, 292358, 571427, 584716, 1142854, 2285708, 6285697, 12571394, 25142788]

約数ペア:

[(1, 25142788), (2, 12571394), (4, 6285697), (11, 2285708), (22, 1142854), (43, 584716), (44, 571427), (86, 292358), (97, 259204), (137, 183524), (172, 146179), (194, 129602), (274, 91762), (388, 64801), (473, 53156), (548, 45881), (946, 26578), (1067, 23564), (1507, 16684), (1892, 13289), (2134, 11782), (3014, 8342), (4171, 6028), (4268, 5891)]