627689985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 1145733120

約数和(自身を除く): 518043135

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 191, 195, 247, 285, 573, 741, 887, 955, 1235, 2483, 2661, 2865, 3629, 3705, 4435, 7449, 10887, 11531, 12415, 13305, 16853, 18145, 34593, 37245, 47177, 50559, 54435, 57655, 84265, 141531, 169417, 172965, 219089, 235885, 252795, 508251, 657267, 707655, 847085, 1095445, 2202421, 2541255, 3218923, 3286335, 6607263, 9656769, 11012105, 16094615, 33036315, 41845999, 48283845, 125537997, 209229995, 627689985]

約数ペア:

[(1, 627689985), (3, 209229995), (5, 125537997), (13, 48283845), (15, 41845999), (19, 33036315), (39, 16094615), (57, 11012105), (65, 9656769), (95, 6607263), (191, 3286335), (195, 3218923), (247, 2541255), (285, 2202421), (573, 1095445), (741, 847085), (887, 707655), (955, 657267), (1235, 508251), (2483, 252795), (2661, 235885), (2865, 219089), (3629, 172965), (3705, 169417), (4435, 141531), (7449, 84265), (10887, 57655), (11531, 54435), (12415, 50559), (13305, 47177), (16853, 37245), (18145, 34593)]