289445975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2707}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 451304448

約数和(自身を除く): 161858473

約数列:

[1, 5, 7, 13, 25, 35, 47, 65, 91, 175, 235, 325, 329, 455, 611, 1175, 1645, 2275, 2707, 3055, 4277, 8225, 13535, 15275, 18949, 21385, 35191, 67675, 94745, 106925, 127229, 175955, 246337, 473725, 636145, 879775, 890603, 1231685, 1653977, 3180725, 4453015, 6158425, 8269885, 11577839, 22265075, 41349425, 57889195, 289445975]

約数ペア:

[(1, 289445975), (5, 57889195), (7, 41349425), (13, 22265075), (25, 11577839), (35, 8269885), (47, 6158425), (65, 4453015), (91, 3180725), (175, 1653977), (235, 1231685), (325, 890603), (329, 879775), (455, 636145), (611, 473725), (1175, 246337), (1645, 175955), (2275, 127229), (2707, 106925), (3055, 94745), (4277, 67675), (8225, 35191), (13535, 21385), (15275, 18949)]