381127825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 539715456

約数和(自身を除く): 158587631

約数列:

[1, 5, 13, 23, 25, 65, 67, 115, 299, 325, 335, 575, 761, 871, 1495, 1541, 1675, 3805, 4355, 7475, 7705, 9893, 17503, 19025, 20033, 21775, 38525, 49465, 50987, 87515, 100165, 227539, 247325, 254935, 437575, 500825, 662831, 1137695, 1172701, 1274675, 3314155, 5688475, 5863505, 15245113, 16570775, 29317525, 76225565, 381127825]

約数ペア:

[(1, 381127825), (5, 76225565), (13, 29317525), (23, 16570775), (25, 15245113), (65, 5863505), (67, 5688475), (115, 3314155), (299, 1274675), (325, 1172701), (335, 1137695), (575, 662831), (761, 500825), (871, 437575), (1495, 254935), (1541, 247325), (1675, 227539), (3805, 100165), (4355, 87515), (7475, 50987), (7705, 49465), (9893, 38525), (17503, 21775), (19025, 20033)]