259242516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1543}}^1$

素因数の和:1925

約数の個数: 72

約数和(自身を含む): 708140160

約数和(自身を除く): 448897644

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 359, 468, 718, 1077, 1436, 1543, 2154, 3086, 3231, 4308, 4629, 4667, 6172, 6462, 9258, 9334, 12924, 13887, 14001, 18516, 18668, 20059, 27774, 28002, 40118, 42003, 55548, 56004, 60177, 80236, 84006, 120354, 168012, 180531, 240708, 361062, 553937, 722124, 1107874, 1661811, 2215748, 3323622, 4985433, 6647244, 7201181, 9970866, 14402362, 19941732, 21603543, 28804724, 43207086, 64810629, 86414172, 129621258, 259242516]

約数ペア:

[(1, 259242516), (2, 129621258), (3, 86414172), (4, 64810629), (6, 43207086), (9, 28804724), (12, 21603543), (13, 19941732), (18, 14402362), (26, 9970866), (36, 7201181), (39, 6647244), (52, 4985433), (78, 3323622), (117, 2215748), (156, 1661811), (234, 1107874), (359, 722124), (468, 553937), (718, 361062), (1077, 240708), (1436, 180531), (1543, 168012), (2154, 120354), (3086, 84006), (3231, 80236), (4308, 60177), (4629, 56004), (4667, 55548), (6172, 42003), (6462, 40118), (9258, 28002), (9334, 27774), (12924, 20059), (13887, 18668), (14001, 18516)]