28015928

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 53860800

約数和(自身を除く): 25844872

約数列:

[1, 2, 4, 8, 79, 97, 158, 194, 316, 388, 457, 632, 776, 914, 1828, 3656, 7663, 15326, 30652, 36103, 44329, 61304, 72206, 88658, 144412, 177316, 288824, 354632, 3501991, 7003982, 14007964, 28015928]

約数ペア:

[(1, 28015928), (2, 14007964), (4, 7003982), (8, 3501991), (79, 354632), (97, 288824), (158, 177316), (194, 144412), (316, 88658), (388, 72206), (457, 61304), (632, 44329), (776, 36103), (914, 30652), (1828, 15326), (3656, 7663)]