263831868

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 685251840

約数和(自身を除く): 421419972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 211, 282, 422, 423, 564, 633, 739, 844, 846, 1266, 1478, 1692, 1899, 2217, 2532, 2956, 3798, 4434, 6651, 7596, 8868, 9917, 13302, 19834, 26604, 29751, 34733, 39668, 59502, 69466, 89253, 104199, 119004, 138932, 155929, 178506, 208398, 311858, 312597, 357012, 416796, 467787, 623716, 625194, 935574, 1250388, 1403361, 1871148, 2806722, 5613444, 7328663, 14657326, 21985989, 29314652, 43971978, 65957967, 87943956, 131915934, 263831868]

約数ペア:

[(1, 263831868), (2, 131915934), (3, 87943956), (4, 65957967), (6, 43971978), (9, 29314652), (12, 21985989), (18, 14657326), (36, 7328663), (47, 5613444), (94, 2806722), (141, 1871148), (188, 1403361), (211, 1250388), (282, 935574), (422, 625194), (423, 623716), (564, 467787), (633, 416796), (739, 357012), (844, 312597), (846, 311858), (1266, 208398), (1478, 178506), (1692, 155929), (1899, 138932), (2217, 119004), (2532, 104199), (2956, 89253), (3798, 69466), (4434, 59502), (6651, 39668), (7596, 34733), (8868, 29751), (9917, 26604), (13302, 19834)]