217098812

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{20899}}^1$

素因数の和:20970

約数の個数: 36

約数和(自身を含む): 450311400

約数和(自身を除く): 233212588

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 2597, 5194, 10388, 20899, 41798, 83596, 146293, 292586, 585172, 1024051, 1107647, 2048102, 2215294, 4096204, 4430588, 7753529, 15507058, 31014116, 54274703, 108549406, 217098812]

約数ペア:

[(1, 217098812), (2, 108549406), (4, 54274703), (7, 31014116), (14, 15507058), (28, 7753529), (49, 4430588), (53, 4096204), (98, 2215294), (106, 2048102), (196, 1107647), (212, 1024051), (371, 585172), (742, 292586), (1484, 146293), (2597, 83596), (5194, 41798), (10388, 20899)]