28556601

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 41902080

約数和(自身を除く): 13345479

約数列:

[1, 3, 19, 43, 57, 61, 129, 183, 191, 573, 817, 1159, 2451, 2623, 3477, 3629, 7869, 8213, 10887, 11651, 24639, 34953, 49837, 149511, 156047, 221369, 468141, 500993, 664107, 1502979, 9518867, 28556601]

約数ペア:

[(1, 28556601), (3, 9518867), (19, 1502979), (43, 664107), (57, 500993), (61, 468141), (129, 221369), (183, 156047), (191, 149511), (573, 49837), (817, 34953), (1159, 24639), (2451, 11651), (2623, 10887), (3477, 8213), (3629, 7869)]