71621788

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 148236480

約数和(自身を除く): 76614692

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 257, 259, 269, 514, 518, 538, 1028, 1036, 1076, 1799, 1883, 3598, 3766, 7196, 7532, 9509, 9953, 19018, 19906, 38036, 39812, 66563, 69133, 69671, 133126, 138266, 139342, 266252, 276532, 278684, 483931, 967862, 1935724, 2557921, 5115842, 10231684, 17905447, 35810894, 71621788]

約数ペア:

[(1, 71621788), (2, 35810894), (4, 17905447), (7, 10231684), (14, 5115842), (28, 2557921), (37, 1935724), (74, 967862), (148, 483931), (257, 278684), (259, 276532), (269, 266252), (514, 139342), (518, 138266), (538, 133126), (1028, 69671), (1036, 69133), (1076, 66563), (1799, 39812), (1883, 38036), (3598, 19906), (3766, 19018), (7196, 9953), (7532, 9509)]