274946399

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 348163200

約数和(自身を除く): 73216801

約数列:

[1, 7, 13, 49, 91, 197, 313, 343, 637, 1379, 2191, 2561, 4069, 4459, 9653, 15337, 17927, 28483, 61661, 67571, 107359, 125489, 199381, 431627, 801593, 878423, 1395667, 3021389, 5611151, 21149723, 39278057, 274946399]

約数ペア:

[(1, 274946399), (7, 39278057), (13, 21149723), (49, 5611151), (91, 3021389), (197, 1395667), (313, 878423), (343, 801593), (637, 431627), (1379, 199381), (2191, 125489), (2561, 107359), (4069, 67571), (4459, 61661), (9653, 28483), (15337, 17927)]