1971036291536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{305681807}}^1$

素因数の和:305681859

約数の個数: 40

約数和(自身を含む): 4245308949504

約数和(自身を除く): 2274272657968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 305681807, 611363614, 1222727228, 2445454456, 3973863491, 4890908912, 7947726982, 9476136017, 15895453964, 18952272034, 31790907928, 37904544068, 63581815856, 75809088136, 123189768221, 151618176272, 246379536442, 492759072884, 985518145768, 1971036291536]

約数ペア:

[(1, 1971036291536), (2, 985518145768), (4, 492759072884), (8, 246379536442), (13, 151618176272), (16, 123189768221), (26, 75809088136), (31, 63581815856), (52, 37904544068), (62, 31790907928), (104, 18952272034), (124, 15895453964), (208, 9476136017), (248, 7947726982), (403, 4890908912), (496, 3973863491), (806, 2445454456), (1612, 1222727228), (3224, 611363614), (6448, 305681807)]