38990529

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 61900800

約数和(自身を除く): 22910271

約数列:

[1, 3, 9, 29, 31, 61, 79, 87, 93, 183, 237, 261, 279, 549, 711, 899, 1769, 1891, 2291, 2449, 2697, 4819, 5307, 5673, 6873, 7347, 8091, 14457, 15921, 17019, 20619, 22041, 43371, 54839, 71021, 139751, 149389, 164517, 213063, 419253, 448167, 493551, 639189, 1257759, 1344501, 4332281, 12996843, 38990529]

約数ペア:

[(1, 38990529), (3, 12996843), (9, 4332281), (29, 1344501), (31, 1257759), (61, 639189), (79, 493551), (87, 448167), (93, 419253), (183, 213063), (237, 164517), (261, 149389), (279, 139751), (549, 71021), (711, 54839), (899, 43371), (1769, 22041), (1891, 20619), (2291, 17019), (2449, 15921), (2697, 14457), (4819, 8091), (5307, 7347), (5673, 6873)]