2554503721

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 3405991680

約数和(自身を除く): 851487959

約数列:

[1, 7, 11, 47, 49, 77, 89, 103, 121, 329, 517, 539, 623, 721, 847, 979, 1133, 2303, 3619, 4183, 4361, 4841, 5047, 5687, 5929, 6853, 7931, 9167, 10769, 12463, 25333, 29281, 33887, 39809, 46013, 47971, 53251, 55517, 64169, 75383, 87241, 100837, 204967, 237209, 278663, 322091, 372757, 430849, 449183, 506143, 527681, 585761, 610687, 705859, 1109207, 2254637, 2609299, 3015943, 3543001, 4100327, 4739339, 4941013, 7764449, 21111601, 24801007, 28702289, 33175373, 52132729, 54351143, 232227611, 364929103, 2554503721]

約数ペア:

[(1, 2554503721), (7, 364929103), (11, 232227611), (47, 54351143), (49, 52132729), (77, 33175373), (89, 28702289), (103, 24801007), (121, 21111601), (329, 7764449), (517, 4941013), (539, 4739339), (623, 4100327), (721, 3543001), (847, 3015943), (979, 2609299), (1133, 2254637), (2303, 1109207), (3619, 705859), (4183, 610687), (4361, 585761), (4841, 527681), (5047, 506143), (5687, 449183), (5929, 430849), (6853, 372757), (7931, 322091), (9167, 278663), (10769, 237209), (12463, 204967), (25333, 100837), (29281, 87241), (33887, 75383), (39809, 64169), (46013, 55517), (47971, 53251)]