11909975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 19284480

約数和(自身を除く): 7374505

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 269, 275, 385, 575, 805, 1265, 1345, 1771, 1883, 1925, 2959, 4025, 6187, 6325, 6725, 8855, 9415, 14795, 20713, 30935, 43309, 44275, 47075, 68057, 73975, 103565, 154675, 216545, 340285, 476399, 517825, 1082725, 1701425, 2381995, 11909975]

約数ペア:

[(1, 11909975), (5, 2381995), (7, 1701425), (11, 1082725), (23, 517825), (25, 476399), (35, 340285), (55, 216545), (77, 154675), (115, 103565), (161, 73975), (175, 68057), (253, 47075), (269, 44275), (275, 43309), (385, 30935), (575, 20713), (805, 14795), (1265, 9415), (1345, 8855), (1771, 6725), (1883, 6325), (1925, 6187), (2959, 4025)]