129488975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 202058496

約数和(自身を除く): 72569521

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 137, 175, 275, 385, 491, 685, 959, 1507, 1925, 2455, 3425, 3437, 4795, 5401, 7535, 10549, 12275, 17185, 23975, 27005, 37675, 37807, 52745, 67267, 85925, 135025, 189035, 263725, 336335, 470869, 739937, 945175, 1681675, 2354345, 3699685, 5179559, 11771725, 18498425, 25897795, 129488975]

約数ペア:

[(1, 129488975), (5, 25897795), (7, 18498425), (11, 11771725), (25, 5179559), (35, 3699685), (55, 2354345), (77, 1681675), (137, 945175), (175, 739937), (275, 470869), (385, 336335), (491, 263725), (685, 189035), (959, 135025), (1507, 85925), (1925, 67267), (2455, 52745), (3425, 37807), (3437, 37675), (4795, 27005), (5401, 23975), (7535, 17185), (10549, 12275)]