257741064

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{511391}}^1$

素因数の和:511410

約数の個数: 48

約数和(自身を含む): 797771520

約数和(自身を除く): 540030456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 511391, 1022782, 1534173, 2045564, 3068346, 3579737, 4091128, 4602519, 6136692, 7159474, 9205038, 10739211, 12273384, 14318948, 18410076, 21478422, 28637896, 32217633, 36820152, 42956844, 64435266, 85913688, 128870532, 257741064]

約数ペア:

[(1, 257741064), (2, 128870532), (3, 85913688), (4, 64435266), (6, 42956844), (7, 36820152), (8, 32217633), (9, 28637896), (12, 21478422), (14, 18410076), (18, 14318948), (21, 12273384), (24, 10739211), (28, 9205038), (36, 7159474), (42, 6136692), (56, 4602519), (63, 4091128), (72, 3579737), (84, 3068346), (126, 2045564), (168, 1534173), (252, 1022782), (504, 511391)]