248972451

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 423886848

約数和(自身を除く): 174914397

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 127, 129, 167, 273, 301, 381, 501, 559, 889, 903, 1169, 1651, 1677, 2171, 2667, 3507, 3913, 4953, 5461, 6513, 7181, 11557, 11739, 15197, 16383, 21209, 21543, 34671, 38227, 45591, 50267, 63627, 70993, 93353, 114681, 148463, 150801, 212979, 275717, 280059, 445389, 496951, 653471, 827151, 911987, 1490853, 1930019, 1960413, 2735961, 5790057, 6383909, 11855831, 19151727, 35567493, 82990817, 248972451]

約数ペア:

[(1, 248972451), (3, 82990817), (7, 35567493), (13, 19151727), (21, 11855831), (39, 6383909), (43, 5790057), (91, 2735961), (127, 1960413), (129, 1930019), (167, 1490853), (273, 911987), (301, 827151), (381, 653471), (501, 496951), (559, 445389), (889, 280059), (903, 275717), (1169, 212979), (1651, 150801), (1677, 148463), (2171, 114681), (2667, 93353), (3507, 70993), (3913, 63627), (4953, 50267), (5461, 45591), (6513, 38227), (7181, 34671), (11557, 21543), (11739, 21209), (15197, 16383)]