209104784

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{23633}}^1$

素因数の和:23727

約数の個数: 40

約数和(自身を含む): 468898560

約数和(自身を除く): 259793776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 23633, 47266, 94532, 165431, 189064, 330862, 378128, 661724, 1323448, 1867007, 2646896, 3734014, 7468028, 13069049, 14936056, 26138098, 29872112, 52276196, 104552392, 209104784]

約数ペア:

[(1, 209104784), (2, 104552392), (4, 52276196), (7, 29872112), (8, 26138098), (14, 14936056), (16, 13069049), (28, 7468028), (56, 3734014), (79, 2646896), (112, 1867007), (158, 1323448), (316, 661724), (553, 378128), (632, 330862), (1106, 189064), (1264, 165431), (2212, 94532), (4424, 47266), (8848, 23633)]