88889515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 135862272

約数和(自身を除く): 46972757

約数列:

[1, 5, 11, 13, 17, 55, 65, 71, 85, 103, 143, 187, 221, 355, 515, 715, 781, 923, 935, 1105, 1133, 1207, 1339, 1751, 2431, 3905, 4615, 5665, 6035, 6695, 7313, 8755, 10153, 12155, 13277, 14729, 15691, 19261, 22763, 36565, 50765, 66385, 73645, 78455, 80443, 95069, 96305, 113815, 124321, 172601, 250393, 402215, 475345, 621605, 863005, 1045759, 1251965, 1367531, 1616173, 5228795, 6837655, 8080865, 17777903, 88889515]

約数ペア:

[(1, 88889515), (5, 17777903), (11, 8080865), (13, 6837655), (17, 5228795), (55, 1616173), (65, 1367531), (71, 1251965), (85, 1045759), (103, 863005), (143, 621605), (187, 475345), (221, 402215), (355, 250393), (515, 172601), (715, 124321), (781, 113815), (923, 96305), (935, 95069), (1105, 80443), (1133, 78455), (1207, 73645), (1339, 66385), (1751, 50765), (2431, 36565), (3905, 22763), (4615, 19261), (5665, 15691), (6035, 14729), (6695, 13277), (7313, 12155), (8755, 10153)]