28275282

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{643}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 70324800

約数和(自身を除く): 42049518

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 349, 643, 698, 1047, 1286, 1929, 2094, 2443, 3141, 3858, 4501, 4886, 5787, 6282, 7329, 9002, 11574, 13503, 14658, 21987, 27006, 40509, 43974, 81018, 224407, 448814, 673221, 1346442, 1570849, 2019663, 3141698, 4039326, 4712547, 9425094, 14137641, 28275282]

約数ペア:

[(1, 28275282), (2, 14137641), (3, 9425094), (6, 4712547), (7, 4039326), (9, 3141698), (14, 2019663), (18, 1570849), (21, 1346442), (42, 673221), (63, 448814), (126, 224407), (349, 81018), (643, 43974), (698, 40509), (1047, 27006), (1286, 21987), (1929, 14658), (2094, 13503), (2443, 11574), (3141, 9002), (3858, 7329), (4501, 6282), (4886, 5787)]