728276252

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{21193}}^1$

素因数の和:21290

約数の個数: 36

約数和(自身を含む): 1420676208

約数和(自身を除く): 692399956

約数列:

[1, 2, 4, 11, 22, 44, 71, 121, 142, 242, 284, 484, 781, 1562, 3124, 8591, 17182, 21193, 34364, 42386, 84772, 233123, 466246, 932492, 1504703, 2564353, 3009406, 5128706, 6018812, 10257412, 16551733, 33103466, 66206932, 182069063, 364138126, 728276252]

約数ペア:

[(1, 728276252), (2, 364138126), (4, 182069063), (11, 66206932), (22, 33103466), (44, 16551733), (71, 10257412), (121, 6018812), (142, 5128706), (242, 3009406), (284, 2564353), (484, 1504703), (781, 932492), (1562, 466246), (3124, 233123), (8591, 84772), (17182, 42386), (21193, 34364)]