1280491766

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{1123}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 2027731968

約数和(自身を除く): 747240202

約数列:

[1, 2, 31, 53, 62, 106, 347, 694, 1123, 1643, 2246, 3286, 10757, 18391, 21514, 34813, 36782, 59519, 69626, 119038, 389681, 570121, 779362, 1140242, 1845089, 3690178, 12080111, 20653093, 24160222, 41306186, 640245883, 1280491766]

約数ペア:

[(1, 1280491766), (2, 640245883), (31, 41306186), (53, 24160222), (62, 20653093), (106, 12080111), (347, 3690178), (694, 1845089), (1123, 1140242), (1643, 779362), (2246, 570121), (3286, 389681), (10757, 119038), (18391, 69626), (21514, 59519), (34813, 36782)]