404865328

素因数分解:

$2^4\times 7^1\times {\mathrm{271}}^1\times {\mathrm{13339}}^1$

素因数の和:13625

約数の個数: 40

約数和(自身を含む): 899863040

約数和(自身を除く): 494997712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 271, 542, 1084, 1897, 2168, 3794, 4336, 7588, 13339, 15176, 26678, 30352, 53356, 93373, 106712, 186746, 213424, 373492, 746984, 1493968, 3614869, 7229738, 14459476, 25304083, 28918952, 50608166, 57837904, 101216332, 202432664, 404865328]

約数ペア:

[(1, 404865328), (2, 202432664), (4, 101216332), (7, 57837904), (8, 50608166), (14, 28918952), (16, 25304083), (28, 14459476), (56, 7229738), (112, 3614869), (271, 1493968), (542, 746984), (1084, 373492), (1897, 213424), (2168, 186746), (3794, 106712), (4336, 93373), (7588, 53356), (13339, 30352), (15176, 26678)]